Professor Roger Lewis
Department of Mechanical Engineering
Professor of Mechanical Engineering
Roger.Lewis@sheffield.ac.uk
+44 114 222 7838
+44 114 222 7838
Sir Frederick Mappin Building
Full contact details
Professor Roger Lewis
Department of Mechanical Engineering
Sir Frederick Mappin Building
Mappin Street
Sheffield
S1 3JD
Department of Mechanical Engineering
Sir Frederick Mappin Building
Mappin Street
Sheffield
S1 3JD
- Profile
-
Professor Roger Lewis became a lecturer in the Department in 2002 and was promoted to Senior Lecturer in 2006, before becoming a Reader in 2011 and then being awarded a personal chair in 2013.
He graduated from The University of Sheffield in 1996 with an MEng in Mechanical Engineering and continued to work at Sheffield towards a PhD in the Tribology Research Group. He then had posts as a Research Associate and Teaching Fellow in the Department.
In 2001 he was awarded the Tribology Trust Bronze Medal and in 2003 received a Brian Mercer Award for Innovation from the Royal Society. He also received the Institute of Physics Innovation in Tribology Prize in 2008. He was awarded the Donald Julius Groen Prize in Tribology in 2020. He is a Chartered Engineer and Fellow of the IMechE.
In 2019 Roger was made a Royal Academy of Engineering Research Chair. This position is co-funded by the Rail Safety and Standards Board and will focus on management of low adhesion in the wheel/rail interface.
Roger has edited an essential guide to wheel/rail contacts issues, 'The Wheel/Rail Interface Handbook' which is published by Woodhead.
Roger is a member of the Leonardo Tribology Centre.
- Research interests
-
Roger's research interests are split into three areas: solving industrial wear problems; application and development of a novel ultrasonic technique for machine element contact analysis and design of engineering components and machines. The research themes are wide ranging, but the main focus is on:
Railway Engineering
- Wheel/rail contact tribology – including wear (wheel profile evolution), RCF, friction management (use of top of rail friction modifiers; grease lubrication and traction gels), isolation and links to effective train detection
- Rail infrastructure improvement – including laser cladding of rail to reduce wear/RCF; design and testing of insulated rail joints; overhead line wear testing
- Condition monitoring – including real-time measurement of the wheel/rail contact; force measurement and detection of loosening in bolted joints.
Human Interactions
- Fundamental characterization and modelling of skin friction including use of OCT to determine sub-surface skin strain
- Hand/object interactions – including kitchen equipment, sports equipment etc. and effects that wearing medical examination gloves has on dexterity, grip and tactile discrimination
- Human tissue interaction with medical devices including catheters
- Pedestrian slips and falls, particularly barefoot slips and characterisation of flooring performance
- Multi-scale modelling of skin to incorporate effects of moisture and temperature to optimise design of medical products that interface with skin.
- Publications
-
Books
- Automotive Engine Valve Recession. Wiley.
Journal articles
- Generation of sanded creep curves using the extended creep force model with high pressure torsion data. Wear, 542-543, 205278-205278.
- Scaling-up laser cladding of rails. Wear, 540-541, 205227-205227.
- Modelling the adhesion enhancement induced by sand particle breakage at the wheel-rail interface. Wear, 538-539, 205232-205232.
- Pressure induced transformation of biomass to a highly durable, low friction film on steel. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 480.
- Discrete element modelling of rolling contact fatigue and crack closure with different bond laws. Wear, 205268-205268.
- Initiation and evolution of wheel polygonal wear: influence of wheel-rail hardness ratios. Wear, 540-541. View this article in WRRO
- DEM simulation of single sand grain crushing in sanded wheel–rail contacts. Powder Technology, 432, 119150-119150.
- Assessment of rail grinding maintenance surface quality and damage propagation in subsequent loading cycles for premium rail grades. Wear, 530-531, 205051-205051.
- Investigating the effect of different adhesion materials on electrical resistance using a high pressure torsion rig. Wear, 205116-205116.
- Microstructure, properties and fracture failure mechanism of MAG welded joints of four types of stainless steels. Engineering Failure Analysis, 150, 107326-107326.
- Leaves on the line: Characterising leaf based low adhesion on railway rails. Tribology International, 185, 108529-108529.
- Top-of-rail friction modifier performance assessment: High pressure torsion testing; creep force modelling and field validation. Wear, 205073-205073.
- Evaluating the effect of solid lubricant inclusion on the friction and wear properties of Laser Sintered Polyamide-12 components. Wear, 522, 204873-204873.
- Numerical modelling of particle entrainment in the wheel–rail interface. Computational Particle Mechanics, 1-11.
- A Machine Learning Approach for Real-Time Wheel-Rail Interface Friction Estimation. Journal of Tribology, 145(9).
- Understanding friction mechanisms of Si-DLC/steel interfaces under aqueous lubrication. RSC Advances, 13(15), 10322-10337.
- Wear and rolling contact fatigue competition mechanism of different types of rail steels under various slip ratios. Wear, 204721-204721.
- Influence of different solid particles in friction modifier on wheel-rail adhesion and damage behaviours. Wear, 204833-204833.
- Experimental study on the influence of slip ratio on irregular wear behaviors of wheel/rail. Wear, 204780-204780.
- Insulated rail joint (IRJ) contact characterisation-an ultrasonic reflectometry approach for a cross-material interface. Smart Materials and Structures, 32(3), 034007-034007.
- Sanded wheel–rail contacts: experiments on sand crushing behaviour. Lubricants, 11(2).
- Quantifying the effect of particle characteristics on wheel/rail adhesion & damage through high pressure torsion testing. Tribology International, 179, 108190-108190.
- Wear of driving versus driven discs in a twin disc rolling-sliding test. Wear, 512-513.
- Post-field grinding evaluation of different rail grades in full-scale wheel/rail laboratory tests. Tribology International, 177.
- Evaluation of laser cladding as an in-situ repair method on rail steel. Tribology International.
- Effects of temperature and humidity on railhead friction levels. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit.
- White Etching Layer (WEL) formation in different rail grades after grinding operations in the field. Wear, 502, 204371.
- Influence of high temperature on the tribological properties of hybrid PTFE/Kevlar fabric composite. Tribology International, 174. View this article in WRRO
- Towards a standard approach for the twin disc testing of top-of rail friction management products. Lubricants, 10(6).
- Experimental investigation on ball plate contact using ultrasonic reflectometry : from static to dynamic. Ultrasonics, 124.
- Effect of seasonal change on the biomechanical and physical properties of the human skin. Journal of the Mechanical Behavior of Biomedical Materials, 127.
- Iron oxide and water paste rheology and its effect on low adhesion in the wheel/rail interface. Tribology Letters, 70(1).
- Numerical calculation of wear in rolling contact based on the Archard equation: Effect of contact parameters and consideration of uncertainties. Wear, 490-491. View this article in WRRO
- A comprehensive characterisation of Laser Sintered Polyamide-12 surfaces. Polymer Testing, 106.
- DEM modelling of railway ballast using the Conical Damage Model: a comprehensive parametrisation strategy. Granular Matter, 24(1). View this article in WRRO
- Comparison of the damage and microstructure evolution of eutectoid and hypereutectoid rail steels under a rolling-sliding contact. Wear, 492-493.
- Modelling of Frictional Conditions in the Wheel–Rail Interface Due to Application of Top‐of‐Rail Products. Lubricants.
- Water jet erosion performance of carbon fiber and glass fiber reinforced polymers. Polymers, 13(17). View this article in WRRO
- Editorial. Tribology - Materials, Surfaces & Interfaces, 15(2), 79-79.
- The effects of chlorination, thickness, and moisture on glove donning efficiency. Ergonomics.
- Experimental study on wear properties of wheel and rail materials with different hardness values. Wear.
- Bio-tribology of vascular devices : a review of tissue/device friction research. Biotribology, 25.
- Microstructure evolution of railway pearlitic wheel steels under rolling-sliding contact loading. Tribology International, 154.
- The development of a high pressure torsion test methodology for simulating wheel/rail contacts. Tribology International.
- Effects of Mucin on the dexterity and tactile sensitivity of medical glove users. Biotribology, 24.
- Comparison of wear and rolling contact fatigue behaviours of bainitic and pearlitic rails under various rolling-sliding conditions. Wear, 460-461.
- Friction and wear in railway ballast stone interfaces. Tribology International, 151. View this article in WRRO
- Improvements to the linear transform technique for generating randomly rough surfaces with symmetrical autocorrelation functions. Tribology International, 151. View this article in WRRO
- A laboratory demonstration of rail grinding and analysis of running roughness and wear. Wear, 456-457. View this article in WRRO
- Assessing the effectiveness of traction gels using full-scale and field testing. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit.
- An evaluation of shoe tread parameters using FEM. Tribology International. View this article in WRRO
- Efficiency of donning and doffing medical examination gloves. International Journal of Ergonomics, 10(1), 1-17. View this article in WRRO
- Tribological aspects to optimize traction coefficient during running-in period using surface texture. Quarterly Report of RTRI, 61(3), 184-191.
- The composition and friction-reducing properties of leaf layers. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 476(2239), 20200057-20200057. View this article in WRRO
- Geospatial and temporal data mining to combine railway low adhesion and rail defect data. Proceedings of the Institution of Civil Engineers: Transport, 173(4), 273-286. View this article in WRRO
- Quantification of sub-surface railhead material damage due to composite endpost materials of insulated rail joints for cyclic wheel loadings. Engineering Failure Analysis, 113. View this article in WRRO
- Effects of oxide and water on friction of rail steel – new test method and friction mapping. Tribology: Materials, Surfaces and Interfaces. View this article in WRRO
- Influence of temperature on adhesion coefficient and bonding strength of leaf films: A twin disc study. Wear. View this article in WRRO
- An evaluation of ultrasonic arrays for the static and dynamic measurement of wheel rail contact pressure and area. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. View this article in WRRO
- Shape analysis of railway ballast stones: curvature-based calculation of particle angularity. Scientific Reports, 10. View this article in WRRO
- Development and implementation of novel cryogenic railhead cleaning technology. Permanent Way Institution Journal, 138, 35-39. View this article in WRRO
- Investigation on wear and rolling contact fatigue of wheel-rail materials under various wheel/rail hardness ratio and creepage conditions. Tribology International, 143. View this article in WRRO
- A critical review of the assessment of medical gloves. Tribology: Materials, Surfaces and Interfaces. View this article in WRRO
- Improved modelling of trains braking under low adhesion conditions. Tribology - Materials Surfaces & Interfaces. View this article in WRRO
- Evaluation of the coefficient of friction of rail in the field and laboratory using several devices. Tribology - Materials, Surfaces & Interfaces. View this article in WRRO
- Rubber friction and the effect of shape. Tribology International, 141. View this article in WRRO
- Full-scale testing of low adhesion effects with small amounts of water in the wheel/rail interface. Tribology International, 141. View this article in WRRO
- Elastomer solubility and stress relaxation in bio-lubricants. Tribology International, 141. View this article in WRRO
- Morphology of a human finger pad during sliding against a grooved plate: A pilot study. Biotribology. View this article in WRRO
- Residual stress in laser cladded rail. Tribology International, 140. View this article in WRRO
- Laser cladding of rail; the effects of depositing material on lower rail grades. Wear, 438-439. View this article in WRRO
- Morphological parametric mapping of 21 skin sites throughout the body using optical coherence tomography. Journal of the Mechanical Behavior of Biomedical Materials. View this article in WRRO
- Verification of the use of micro-CT scanning to assess the features of entire squat type defects. Wear. View this article in WRRO
- A review on wear between railway wheels and rails under environmental conditions. Journal of Tribology-Transactions of the ASME, 141(12). View this article in WRRO
- A comparison of wear behaviour of heat resistant steel engine valves and TiAl engine valves. Proceedings of the Institution of Mechanical Engineers Part J-Journal of Engineering Tribology. View this article in WRRO
- Particle characterisation of rail sands for understanding tribological behaviour. Wear, 432-433. View this article in WRRO
- Twin disc assessment of wear regime transitions and rolling contact fatigue in R400HT – E8 pairs. Wear, 432-433. View this article in WRRO
- Simulation and understanding the wet-rail phenomenon using twin disc testing. Tribology International, 136, 475-486. View this article in WRRO
- The influence of ultrasonic surface rolling on the fatigue and wear properties of 23-8N engine valve steel. International Journal of Fatigue, 125, 299-313. View this article in WRRO
- Investigation of the influence of rail hardness on the wear of rail and wheel materials under dry conditions (ICRI wear mapping project). Wear, 430-431, 383-392. View this article in WRRO
- Real time Measurement of Dynamic Wheel-Rail Contacts Using Ultrasonic Reflectometry. Journal of Tribology-Transactions of the ASME, 141(6). View this article in WRRO
- A Review of Railway Sanding System Research: Wheel/Rail Isolation, Damage, and Particle Application. Proceedings of the Institution of Mechanical Engineers. Part F: Journal of Rail and Rapid Transit. View this article in WRRO
- Effects of Jatropha lubricant thermo-oxidation on the tribological behaviour of engine cylinder liners as measured by a reciprocating friction test. Wear, 426-427(Part A), 910-918. View this article in WRRO
- An analysis of the quality of experimental design and reliability of results in tribology research. Wear, 426-427(Part B), 1712-1718. View this article in WRRO
- Tribological aspects to optimize traction coefficient during running-in period using surface texture. Wear, 424-425, 223-232. View this article in WRRO
- Optimisation of friction welding process parameters for 42Cr9Si2 hollow head & sodium filled engine valve and valve performance evaluation. Materials, 12(7). View this article in WRRO
- Transitions in rolling-sliding wheel/rail contact condition during running-in. Tribology International. View this article in WRRO
- Ultrasonic monitoring of insulated block joints. Proceedings of the Institution of Mechanical Engineers. Part F: Journal of Rail and Rapid Transit, 233(3), 251-261. View this article in WRRO
- Assessing the impact of small amounts of water and iron oxides on adhesion in the wheel/rail interface using High Pressure Torsion testing. Tribology International. View this article in WRRO
- Real-time non-invasive measurement and monitoring of wheel-rail contact using ultrasonic reflectometry. International Journal of Structural Health Monitoring. View this article in WRRO
- A comparison of friction modifier performance using two laboratory test scales. Proceedings of the Institution of Mechanical Engineers. Part F: Journal of Rail and Rapid Transit, 233(2), 201-210. View this article in WRRO
- Development of Grease Tackiness Test. Tribology Transactions, 1-11. View this article in WRRO
- The wear and fatigue behaviours of hollow head & sodium filled engine valve. Tribology International, 128, 75-88. View this article in WRRO
- A Review of Railway Sanding System Research: Adhesion Restoration and Leaf Layer Removal. Tribology: Materials, Surfaces and Interfaces. View this article in WRRO
- Chemistry of black leaf films synthesised using rail steels and their influence on the low friction mechanism. RSC Advances, 8(57), 32506-32521. View this article in WRRO
- Application of grinding to reduce rail side wear in straight track. Wear, 402-403, 71-79. View this article in WRRO
- Contemporary challenges of soot build-up in IC engine and their tribological implications. Tribology: Materials, Surfaces and Interfaces. View this article in WRRO
- Friction and Wear Phenomena of Vegetable Oil–Based Lubricants with Additives at Severe Sliding Wear Conditions. Tribology Transactions, 61(2), 207-219. View this article in WRRO
- Sub-clinical assessment of atopic dermatitis severity using angiographic optical coherence tomography. Biomedical Optics Express, 9(4), 2001-2001. View this article in WRRO
- Friction and wear response of vegetable oils and their blends with mineral engine oil in a reciprocating sliding contact at severe contact conditions. Proceedings of the Institution of Mechanical Engineers Part J-Journal of Engineering Tribology, 232(3), 244-258. View this article in WRRO
- Measuring contact area in a sliding human finger-pad contact. Skin Research and Technology, 24(1), 31-44. View this article in WRRO
- Experimental study on friction and wear performance of 45 steel and GCr15 steel under the condition of permanent magnetic field. Journal of the Balkan Tribological Association, 24(1), 23-30. View this article in WRRO
- Optimisation of a railway sanding system for optimal grain entrainment into the wheel–rail contact. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 232(1), 43-62. View this article in WRRO
- Hardness characterisation of grey cast iron and its tribological performance in a contact lubricated with soybean oil. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 232(1), 190-203. View this article in WRRO
- Measurement of friction-induced changes in pig aorta fibre organization by non-invasive imaging as a model for detecting the tissue response to endovascular catheters. Biotribology, 12, 24-32. View this article in WRRO
- Optimisation of grease application to railway tracks. Proceedings of the Institution of Mechanical Engineers. Part F: Journal of Rail and Rapid Transit. View this article in WRRO
- Relaxation of contact pressure and self-loosening in dynamic bolted joints. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 231(18), 3462-3475. View this article in WRRO
- The Effects of Friction Management Materials on Rail with Pre-Existing RCF Surface Damage. Wear, 384-385, 50-60. View this article in WRRO
- Towards a standard approach for the wear testing of wheel and rail materials. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 231(7), 760-774. View this article in WRRO
- New Non-invasive Techniques to Quantify Skin Surface Strain and Sub-surface Layer Deformation of Finger-pad during Sliding. Biotribology. View this article in WRRO
- Simulation of arterial dissection by a penetrating external body using cohesive zone modelling.. J Mech Behav Biomed Mater, 71, 95-105. View this article in WRRO
- Full-Scale Testing of Laser Clad Railway Track; Case Study - Testing for Wear, Bend Fatigue and Insulated Block Joint Lipping Integrity. Wear, 376-377(B), 1930-1937. View this article in WRRO
- Failure Analysis of Pipeline Indents using Steel Precision Balls under Subsea Conditions. Tribology International. View this article in WRRO
- Influence of medical gloves on fingerpad friction and feel. Wear, 376-377(A), 324-328. View this article in WRRO
- Influence of Different Application of Lubricants on Wear and Pre-existing Rolling Contact Fatigue Cracks of Rail Materials. Tribology Letters, 65. View this article in WRRO
- The low adhesion problem due to leaf contamination in the wheel/rail contact: Bonding and low adhesion mechanisms. Wear, 378-379, 183-197. View this article in WRRO
- Effect of the presence of moisture at the wheel–rail interface during dew and damp conditions. Proceedings of the Institution of Mechanical Engineers. Part F: Journal of Rail and Rapid Transit. View this article in WRRO
- Wheel-rail creep force model for predicting water induced low adhesion phenomena. Tribology International, 109, 409-415. View this article in WRRO
- Optimisation of a railway sanding system : adhesion tests. The International Journal of Railway Technology, 6(2), 87-98. View this article in WRRO
- The role of slip ratio in rolling contact fatigue of rail materials under wet conditions. Wear, 376-377(B), 1892-1900. View this article in WRRO
- Measurement of finger pad forces and friction using finger nail mounted strain gauges. Wear, 376-377(A), 295-304. View this article in WRRO
- Combining DLC, Shot blasting, chemical dip and nano fullerene surface treatments to reduce wear and friction when used with bio-lubricants in automotive contacts. SAE Technical Papers. View this article in WRRO
- Sliding Wear Study on the Valve-Seat Insert Contact. Open Journal of Applied Sciences, 7(2), 42-49. View this article in WRRO
- Sensitivity Study of a Valve Recession Model. Open Journal of Applied Sciences, 7(2), 50-56. View this article in WRRO
- How do gloves affect cutaneous sensibility in medical practice? Two new applied tests. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 231(1), 28-39. View this article in WRRO
- Material concepts for top of rail friction management – Classification, characterisation and application. Wear, 366-367, 225-232. View this article in WRRO
- Improving Rail Wear and RCF Performance using Laser Cladding. Wear, 366-367, 268-278. View this article in WRRO
- Controlled peel testing of a model tissue for diseased aorta. Journal of Biomechanics, 49(15), 3667-3675. View this article in WRRO
- An evaluation of dexterity and cutaneous sensibility tests for use with medical gloves. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 230(16), 2896-2912. View this article in WRRO
- Predicting railway wheel wear under uncertainty of wear coefficient, using universal kriging. Reliability Engineering and System Safety, 154, 49-59. View this article in WRRO
- Wear and damage transitions of wheel and rail materials under various contact conditions. Wear, 362-363, 146-152. View this article in WRRO
- In vivo measurement of skin surface strain and sub-surface layer deformation induced by natural tissue stretching. Journal of the Mechanical Behavior of Biomedical Materials, 62, 556-569. View this article in WRRO
- Review of top of rail friction modifier tribology. Tribology: Materials, Surfaces & Interfaces, 10(3), 150-162. View this article in WRRO
- A comparison of friction behaviour for ex vivo human, tissue engineered and synthetic skin. Tribology International, 103, 487-495. View this article in WRRO
- Creating a model of diseased artery damage and failure from healthy porcine aorta. Journal of the Mechanical Behavior of Biomedical Materials, 60, 378-393. View this article in WRRO
- An Experimental Investigation and Improvement of Insulated Rail Joints. Tribology in Industry, 38(1), 121-126. View this article in WRRO
- Experimental modelling of lipping in insulated rail joints and investigation of rail head material improvements. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 230(4), 1375-1387. View this article in WRRO
- Evaluation of the effect of medical gloves on dexterity and tactile sensibility using simulated clinical practice tests. International Journal of Industrial Ergonomics, 53, 115-123. View this article in WRRO
- Correlations between rail wear rates and operating conditions in a commercial railroad. Tribology International, 95, 5-12. View this article in WRRO
- Characterization and wear performance of boride phases over tool steel substrates. Advances in Mechanical Engineering, 8(2), 168781401663025-168781401663025. View this article in WRRO
- A new method for the assessment of traction enhancers and the generation of organic layers in a twin-disc machine. Wear, 366-367, 258-267. View this article in WRRO
- The real-time measurement of wear using ultrasonic reflectometry. Wear, 332-333, 1129-1133. View this article in WRRO
- Assessment of laser cladding as an option for repairing/enhancing rails. Wear, 330-331, 581-591. View this article in WRRO
- The contributions of skin structural properties to the friction of human finger-pads. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 229(3), 294-311. View this article in WRRO
- Factors influencing the perception of roughness in manual exploration: Do medical gloves reduce cutaneous sensibility?. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 229(3), 273-284. View this article in WRRO
- Growth kinetics and mechanical properties of Fe
2 B layers formed on AISI D2 steel. Indian Journal of Engineering and Materials Sciences, 22(2), 231-243.
- Understanding the Friction Measured by Standardised Test Methodologies Used to Assess Shoe-Surface Slip Risk. Journal of Testing and Evaluation, 43(4), 20120334-20120334. View this article in WRRO
- Finite element assessment of the temperature field couple under joule heat and friction heat between a third rail and collector shoe. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 229(9), 1086-1094. View this article in WRRO
- Development of a method for assessing erosive wear damage on dies used in aluminium casting. Wear, 332-333, 1215-1224. View this article in WRRO
- Rail grinding for the 21st century – taking a lead from the aerospace industry. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 229(5), 457-465. View this article in WRRO
- Low adhesion due to oxide formation in the presence of salt. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 228(8), 887-897.
- The effect of friction modifiers on wheel/rail isolation at low axle loads. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 228(7), 768-783.
- Investigation of the isolation and frictional properties of hydrophobic products on the rail head, when used to combat low adhesion. Wear, 314(1-2), 213-219.
- An investigation into contact pressure distribution in bolted joints. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 228(18), 3405-3418.
- Effects of polarity on the friction and wear of collector shoes deployed in a metro traction system. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 228(3), 323-330.
- Skin Friction at the Interface between Hands and Sports Equipment. Procedia Engineering, 72, 611-617. View this article in WRRO
- A study of clinicians’ views on medical gloves and their effect on manual performance. American Journal of Infection Control, 42(1), 48-54.
- A critical review of glove and hand research with regard to medical glove design. Ergonomics, 57(1), 116-129.
- Assessment of railway curve lubricant performance using a twin-disc tester. Wear.
- Effects of deep cryogenic treatment on the wear development of H13A tungsten carbide inserts when machining AISI 1045 steel. Production Engineering, 1-10.
- Investigating openability of rigid plastic containers with peelable lids: The link between human strength and grip and opening forces. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 227(5), 1056-1068.
- Effect of humidity, temperature and railhead contamination on the performance of friction modifiers: Pin-on-disk study. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 227(2), 115-127.
- The modification of a slip resistance meter for measurement of railhead adhesion. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 227(2), 196-200.
- An ultrasonic sensor for monitoring wheel flange/rail gauge corner contact. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART F-JOURNAL OF RAIL AND RAPID TRANSIT, 227(F2), 188-195. View this article in WRRO
- Wheel and rail wear-Understanding the effects of water and grease. Wear.
- Tribology of the wheel–rail contact – aspects of wear, particle emission and adhesion. Vehicle System Dynamics, 51(7), 1091-1120.
- Human finger friction in contacts with ridged surfaces. Wear.
- A study of cavitation erosion on engineering materials. Wear.
- Third body layer-experimental results and a model describing its influence on the traction coefficient. Wear.
- An assessment of the performance of grip enhancing agents used in sports applications. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 226(J7), 616-625. View this article in WRRO
- Tribology of the Wheel-Rail Contact: The Effect of Third Body Materials. International Journal of Railway Technology, 1(1), 167-194. View this article in WRRO
- Feasibility of using optical coherence tomography to study the influence of skin structure on finger friction. Tribology International.
- Effect of Gear Surface and Lubricant Interaction on Mild Wear. Tribology Letters, 1-18.
- Effect of surface texture, moisture and wear on handling of rugby balls. Tribology International.
- Application of Fastsim with variable coefficient of friction using twin disc experimental measurements. Wear, 274-275, 109-126.
- Ultrasonic Measurement of Self Loosening in Bolted Joints. Journal of Mechanical Engineering Sciences, Proceedings of the IMechE Part C.
- The influence of cryogenic processing on wear on the impact wear resistance of low carbon steel and lamellar graphite cast iron. Wear, 271(9-10), 1481-1489.
- The effects of cryogenic processing on the wear resistance of grey cast iron brake discs. Wear, 271(9-10), 2386-2395.
- Experimental and numerical modelling of wheel–rail contact and wear. Wear, 271(5-6), 911-924.
- The Influence of Induction Hardening on the Impact Wear Resistance of Compacted Graphite Iron, 124-129.
- The influence of induction hardening on the impact wear resistance of compacted graphite iron (CGI). Wear, 270(3-4), 302-311.
- Surface and Sliding Wear Behaviour of Different Coatings and Steels. Ingenieria Investigación y Tecnologica, XIII, 85-96.
- Human finger contact with small, triangular ridged surfaces. Wear, 271(9-10), 2346-2353. View this article in WRRO
- Abrasive and impact wear of stone used to manufacture axes in Neolithic Greece. Wear, 271(9-10), 2549-2560. View this article in WRRO
- Particle/applicator interactions in household surface cleaning. Wear, 271(9-10), 2579-2587.
- Characterising and reducing seizure wear of inconel and incoloy superalloys in a sliding contact. Wear, 271(9-10), 1671-1680.
- A study of the wear performance of TiN, CrN and WC/C coatings on different steel substrates. Wear, 271(9-10), 2116-2124.
- An alternative method for the assessment of railhead traction. Wear, 271(1-2), 62-70.
- The effect of friction modifiers on wheel/rail isolation. Wear, 271(1-2), 71-77.
- A laboratory investigation on the influence of the particle size and slip during sanding on the adhesion and wear in the wheel-rail contact. Wear, 271(1-2), 14-24.
- Development of a wear prediction tool for steel railway wheels using three alternative wear functions. Wear, 271(1-2), 238-245.
- Understanding the friction mechanisms between the human finger and flat contacting surfaces in moist conditions. Tribology Letters, 41(1), 283-294. View this article in WRRO
- Influence of the interfacial pressure distribution on loosening of bolted joints. Strain, 47(SUPPL. 2), 65-78.
- A study on wear evaluation of railway wheels based on multibody dynamics and wear computation. MULTIBODY SYST DYN, 24(3), 347-366. View this article in WRRO
- Investigating the Lubricity and Electrical Insulation Caused by Sanding in Dry Wheel-Rail Contacts. TRIBOL LETT, 37(3), 623-635.
- Food for thought?--A UK pilot study testing a methodology for compositional domestic food waste analysis.. Waste Manag Res, 28(3), 220-227.
- A numerical model of twin disc test arrangement for the evaluation of railway wheel wear prediction methods. WEAR, 268(5-6), 660-667. View this article in WRRO
- Rolling-sliding laboratory tests of friction modifiers in dry and wet wheel-rail contacts. WEAR, 268(3-4), 543-551. View this article in WRRO
- A study on wear evaluation of railway wheels based on multibody dynamics and wear computation. Multibody System Dynamics, 1-20.
- Comparison of tack of pressure-sensitive adhesives (PSAs) at different temperatures. Journal of Adhesion Science and Technology, 24(11-12), 1949-1957.
- A RAILWAY WHEEL WEAR PREDICTION TOOL BASED ON A MULTIBODY SOFTWARE. JOURNAL OF THEORETICAL AND APPLIED MECHANICS, 48(3), 751-770.
- Laboratory investigation of some sanding parameters to improve the adhesion in leaf-contaminated wheel-rail contacts. P I MECH ENG F-J RAI, 224(F3), 139-157.
- A comparative study of ultrasonic direct contact, immersion, and layer resonance methods for assessment of enamel thickness in teeth. P I MECH ENG J-J ENG, 224(J6), 519-528. View this article in WRRO
- Mapping railway wheel material wear mechanisms and transitions. P I MECH ENG F-J RAI, 224(F3), 125-137.
- How Wide Do You Want the Jar?: The Effect on Diameter for Ease of Opening for Wide-mouth Closures. PACKAG TECHNOL SCI, 23(1), 11-18.
- Laser treatment for improved impact wear resistance. The Laser User Magazine(56), 30-31.
- Feasibility Study for Real Time Measurement of Wheel-Rail Contact Using an Ultrasonic Array. J TRIBOL-T ASME, 131(4). View this article in WRRO
- Wear of stone used to manufacture axes in the Neolithic settlement at Makriyalos in Northern Greece. WEAR, 267(5-8), 1325-1332.
- Coating and treatment solutions for rolling/sliding component contacts. WEAR, 267(5-8), 1009-1021.
- The effect of normal force and roughness on friction in human finger contact. WEAR, 267(5-8), 1311-1318.
- Solid particle erosion caused by rice grains. WEAR, 267(1-4), 223-232.
- The influence of laser hardening on wear in the valve and valve seat contact. WEAR, 267(5-8), 797-806. View this article in WRRO
- Effect of oil and water mixtures on adhesion in the wheel/rail contact. P I MECH ENG F-J RAI, 223(3), 275-283.
- Friction in a hydraulic motor piston/cam roller contact lined with PTFE impregnated. WEAR, 266(7-8), 888-892. View this article in WRRO
- Rolling-Sliding Laboratory Tests of Friction Modifiers in Leaf Contaminated Wheel-Rail Contacts. TRIBOL LETT, 33(2), 97-109.
- Understanding the effect of finger-ball friction on the handling performance of rugby balls. Sports Engineering, 11(3), 109-118.
- Twin disc assessment of wheel/rail adhesion. WEAR, 265(9-10), 1309-1316. View this article in WRRO
- The effects of soot-contaminated engine oil on wear and friction: a review. P I MECH ENG D-J AUT, 222(D9), 1669-1689.
- Comparison of numerical and ultrasonic techniques for quantifying interference fit pressures. P I MECH ENG C-J MEC, 222(7), 1125-1130.
- Characterising pressure and bruising in apple fruit. WEAR, 264(1-2), 37-46. View this article in WRRO
- Review of the frictional properties of finger-object contact when gripping. P I MECH ENG J-J ENG, 221(J8), 841-850.
- Development of engineering design tools to help reduce apple bruising. J FOOD ENG, 83(3), 356-365. View this article in WRRO
- Effect of soot on oil properties and wear of engine components. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 40(18), 5488-5501.
- Wear of a chute in a rice sorting machine. WEAR, 263, 65-73. View this article in WRRO
- Particle motion and stain removal during simulated abrasive tooth cleaning. WEAR, 263, 188-197.
- Finger friction: Grip and opening packaging. WEAR, 263, 1124-1132.
- Friction and wear testing for a down-hole oil well centraliser. WEAR, 263, 57-64.
- A modelling technique for predicting compound impact wear. WEAR, 262(11-12), 1516-1521.
- Getting to grips with packaging: Using ethnography and computer simulation to understand hand-pack interaction. PACKAG TECHNOL SCI, 20(3), 217-229.
- A mathematical model to predict railway wheel profile evolution due to wear. WEAR, 261(11-12), 1253-1264.
- Interactions between toothbrush and toothpaste particles during simulated abrasive cleaning. P I MECH ENG J-J ENG, 220(J8), 755-765. View this article in WRRO
- Temperature in a twin-disc wheel/rail contact simulation. TRIBOLOGY INTERNATIONAL, 39(12), 1653-1663.
- Experimental characterization of wheel-rail contact patch evolution. J TRIBOL-T ASME, 128(3), 493-504. View this article in WRRO
- Wear effects and mechanisms of soot-contaminated automotive lubricants. P I MECH ENG J-J ENG, 220(J3), 159-169. View this article in WRRO
- Static wheel/rail contact isolation due to track contamination. P I MECH ENG F-J RAI, 220(1), 43-53.
- Wear at the wheel/rail interface when sanding is used to increase adhesion. P I MECH ENG F-J RAI, 220(1), 29-41.
- Characterisation of contact pressure distribution in bolted joints. STRAIN, 42(1), 31-43. View this article in WRRO
- Wear of human teeth: a tribological perspective. P I MECH ENG J-J ENG, 219(J1), 1-18. View this article in WRRO
- Measurement of interface pressure in interference fits. P I MECH ENG C-J MEC, 219(2), 127-139. View this article in WRRO
- Wear of human teeth: a tribological perspective. Proceedings of the I MECH E Part J Journal of Engineering Tribology, 219(1), 2-19.
- Wear mechanisms and transitions in railway wheel steels. P I MECH ENG J-J ENG, 218(J6), 467-478. View this article in WRRO
- Mapping rail wear regimes and transitions. WEAR, 257(7-8), 721-729. View this article in WRRO
- An ultrasonic approach for contact stress mapping in machine joints and concentrated contacts. The Journal of Strain Analysis for Engineering Design, 39(6), 745-750.
- Interaction between toothbrushes and toothpaste abrasive particles in simulated tooth cleaning. WEAR, 257(3-4), 368-376.
- An ultrasonic approach for contact stress mapping in machine joints and concentrated contacts. J STRAIN ANAL ENG, 39(4), 339-350. View this article in WRRO
- Valve recession: From experiment to predictive model. VDI Berichte(1813), 79-93. View this article in WRRO
- Combating automative engine valve recession. TRIBOL LUBR TECHNOL, 59(10), 48-51. View this article in WRRO
- Combating automotive engine valve recession. Lubrication Engineering, 59(10), 48-51.
- Disc machine study of contact isolation during railway track sanding. P I MECH ENG F-J RAI, 217(1), 11-24.
- Wear of diesel engine inlet valves and seat inserts. P I MECH ENG D-J AUT, 216(D3), 205-216.
- Novel in-situ real-time line scan optical monitoring of wear and surface damage initiation in a laboratory twin disc test. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit.
- A Novel Methodology for Developing Ultra-Low Adhesion Leaf Layers on a Full-Scale Wheel/Rail Rig. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit.
- Rail-wheel friction quantification and its variability under lab and field trial conditions. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit.
- Studying the transfer mechanisms of water based top-of-rail products in a wheel/rail interaction. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit.
- Characterisation of physical and mechanical properties of seven particulate materials proposed as traction enhancers. Scientific Data, 10(1), 400.
- Friction between human skin and incontinence pads in the presence of barrier protection products. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 095441192311784-095441192311784.
- Nano and micro-indentation driven characterisation of asperity and bulk plasticity at the surface of modern premium rail steels. Wear.
- Characterisation and tribological testing of recycled crushed glass as an alternative rail sand. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 095440972311647-095440972311647.
- Analysis of Reciprocating Hammer Type Impact Wear Apparatus. Wear.
- Investigating Al-Si base Abradable Material Removal Mechanism with Axial Movement in Labyrinth Seal System. Wear.
- A Year-Round Analysis of Railway Station Overruns due to Low Adhesion Conditions. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit.
- Transition of the Friction behaviour and Contact Stiffness due to Repeated High-Pressure Contact and Slip. Tribology International.
- Field trials of cryogenic cleaning using a road-to-rail vehicle with assessment of the effects on both DMU braking and rail head cleaning. Proceedings of the Institution of Civil Engineers: Civil Engineering. View this article in WRRO
- Rail Wear: Understanding the Effect of Third Body Materials. Proceedings of the First International Conference on Railway Technology: Research, Development and Maintenance.
- Ultrasonic Measurement Of Railway Wheel Hub/Axle Press-Fit Contact Pressures. Proc. I.Mech.E. part F, 225, 287-298.
- Valve Recession Modelling. SAE Technical Paper Series.
- The Measurement of Liner - Piston Skirt Oil Film Thickness by an Ultrasonic Means. SAE Technical Paper Series.
- Wear of Valve Train Components Due to Soot Contaminated Lubricant. SAE Technical Paper Series.
- Determination of Impact Stresses in an Automotive Chain Drive Component. SAE Technical Paper Series. View this article in WRRO
- Ultrasonic Measurement of Contact Pressures in Automotive Component Contacts. SAE Technical Paper Series.
- Design Tools for Prediction of Valve Recession and Solving Valve/Seat Failure Problems. SAE Technical Paper Series.
- Investigation of Wear Mechanisms Occurring in Passenger Car Diesel Engine Inlet Valves and Seat Inserts. SAE Technical Paper Series.
- Defining The Role of 'Zero Wear Volume' in Percussive Impact. Wear.
- New laboratory methodologies to analyse the top of rail friction modifier performance across different test scales. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 095440972091375-095440972091375. View this article in WRRO
- Benchmarking of premium rail material wear. Wear. View this article in WRRO
- Case study: understanding the formation of squat-type defects in a metropolitan railway. Engineering Failure Analysis.
- A New Approach for Modelling Mild and Severe Wear in Wheel-Rail Contacts. Wear.
- The theoretical optimization of the arrangement of sandwich filling components. Tribology International.
- FIELD TRIALS OF A METHODOLOGY FOR LOCOMOTIVE BRAKE TESTING TO ASSESS FRICTION ENHANCEMENT IN THE WHEEL/RAIL INTERFACE USING A REPRESENTATIVE LEAF LAYER. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit.
- Evaluation of Thermo-Oxidized Jatropha Bio-Oil in Lubrication of Actual Wet Clutch Materials. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology.
- Measuring material plastic response to cyclic loading in modern rail steels from a minimal number of twin-disc tests. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit.
- Effect of Tennis Steps and Slides on Tread Element Friction and Wear. Sports Engineering.
- Two-Layer Laser Clad Coating as a Replacement for Chrome Electroplating on Forged Steel. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science.
- A New Predictive Model for Normal and Compound Impact Wear. Wear.
- An Investigation into the Role of Specimen Geometry when Undertaking Tribological Testing on Seal Fin Components. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science.
- In-situ Evaluation of Contact Stiffness in a Slip Interface with different Roughness Conditions using Ultrasound Reflectometry. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.
Chapters
- A Fast, Reliable and Practical Method to Predict Wheel Profile Evolution, Lecture Notes in Mechanical Engineering (pp. 552-560). Springer International Publishing
- Impact Wear Failures, Failure Analysis and Prevention (pp. 730-744). ASM International
- Optical Coherence Tomography to determine and visualize pathological skin structure changes caused by diabetes, The Science, Etiology and Mechanobiology of Diabetes and its Complications (pp. 161-171). Elsevier
- Wheel/Rail Creep Force Model for Wayside Application of Top-of-Rail Products Incorporating Carry-On and Consumption Effects, Lecture Notes in Mechanical Engineering (pp. 669-677). Springer International Publishing
- Tribology of Teeth Cleaning, Encyclopedia of Tribology (pp. 3892-3896). Springer US
- Tribology in Daily Life: Footwear-Surface Interactions in Pedestrian Slips, Encyclopedia of Tribology (pp. 3825-3830). Springer US
- Design for Reduced Wear, Automotive Lubricants and Testing (pp. 293-315).
- Wheel-Rail Interface Handbook In Lewis R (Ed.), Wheel-Rail Interface Handbook CRC PressI Llc
- Effect of contaminants on wear, fatigue and traction In Lewis R & Olofsson U (Ed.), Wheel-Rail Interface Handbook (pp. 437-455).
- Basic tribology of the wheel-rail contact, Wheel-Rail Interface Handbook (pp. 34-57).
- Railway wheel wear, Wheel-Rail Interface Handbook (pp. 172-210).
- Wheel-rail isolation, Wheel-Rail Interface Handbook (pp. 528-549).
- Friction between Players’ Hands and Sports Equipment (P7), The Engineering of Sport 7 (pp. 27-34). Springer Paris
- Tribology of the wheel-rail contact, Handbook of Railway Vehicle Dynamics (pp. 121-142).
- Industrial Lubrication Practice — Wheel/Rail Tribology, Handbook of Lubrication and Tribology CRC Press
- Impact Wear Failures, Failure Analysis and Prevention (pp. 965-974).
Conference proceedings papers
- A twin-disc study of the role of the surface quality achieved by grinding on the wear resistance and rolling contact fatigue behavior of wheel/rail pairs. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit (pp 923-932)
- Friction-Slip Curves – The Pathway From Twin-Disc Tribo Measurements to Full-Scale Locomotive Multibody Simulations. 2022 Joint Rail Conference, 20 April 2022 - 21 April 2022.
- AN EXPERIMENTAL INVESTIGATION INTO THE SUPERABRASIVE GRINDING OF RAIL. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 358-363)
- IMPROVING THE WHEEL/RAIL CONTACT PERFORMANCE THROUGH LASER CLADDING OF RAIL, HIGH SPEED RAIL GRINDING AND RAIL CLEANING: CASE STUDIES IN GOING FROM THE LAB TO THE FIELD. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 477-483)
- TOP-OF-RAIL FRICTION MODIFIER PERFORMANCE ASSESSMENT: HIGH PRESSURE TORSION TESTING; CREEP FORCE MODELLING AND FIELD VALIDATION. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 797-802)
- SMALL-SCALE TESTING OF RAIL LASER CLADDING LONGEVITY, PARAMETER TOLERANCE AND IN-SITU REPAIRS IN PREPARATION FOR FIELD IMPLEMENTATION. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 364-374)
- MODELLING ADHESION ENHANCEMENT IN WHEEL-RAIL CONTACT TRIGGERED BY SAND PARTICLES. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 516-521)
- EFFECT OF SURFACE TEXTURE ON CONTACT CONDITIONS AND TRIBOLOGICAL BEHAVIOR OF SIMULATED WHEEL-RAIL PAIRS IN A TWIN-DISC MACHINE. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 142-152)
- EFFICIENT LABORATORY TEST PROGRAMME FOR CHARACTERISING RAIL STEEL STRAIN ACCUMULATION. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 62-70)
- GENERATION OF SANDED CREEP CURVES USING THE EXTENDED CREEP FORCE MODEL WITH HIGH PRESSURE TORSION DATA. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 782-788)
- INVESTIGATING THE EFFECT OF DIFFERENT ADHESION MATERIALS ON ELECTRICAL RESISTANCE USING A HIGH PRESSURE TORSION RIG. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 528-534)
- ASSESSMENT OF RAIL GRINDING MAINTENANCE FOR PREMIUM RAIL GRADES IN LABORATORY. CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings (pp 827-837)
- Imaging Sub-surface Skin Strain Patterns During Fingertip Sliding. HAPTICS: SCIENCE, TECHNOLOGY, APPLICATIONS, EUROHAPTICS 2022, Vol. 13235 (pp 358-361)
- From macroscopic to microscopic : experimental and computational methods to investigate bio-tribology. 7th International Conference on the Development of Biomedical Engineering in Vietnam (BME7) (pp 213-216). Ho Chi Minh City, Vietnam, 27 June 2018 - 29 June 2018. View this article in WRRO
- The compatibility of multilayer surface treatments with bio-lubricants base oils. 73rd Society of Tribologists and Lubrication Engineers Annual Meeting and Exhibition 2018 (pp 211-225) View this article in WRRO
- Characterization of ball-flat contact using ultrasound reflectometry: From static to dynamic. Proceedings of the 7th Asia-Pacific Workshop on Structural Health Monitoring, APWSHM 2018 (pp 562-579)
- Impact of low amounts of water in combination with wear debris/iron oxides on wheel-rail adhesion. The Dynamics of Vehicles on Roads and Tracks, Vol. 2 (pp 557-562)
- Particle characterisation of rail sand for understanding tribological behaviour. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 886-895)
- Benchmarking of premium rail material wear. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 172-180). Delft, The Netherlands, 24 September 2018 - 27 September 2018. View this article in WRRO
- Evaluation of rolling contact fatigue of rail materials in twin disc tests. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 838-843)
- Comparison of squats and studs from different traffic environments. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 218-227)
- Implementation of the water induced low adhesion creep force model (wilac) into the low adhesion braking dynamic optimisation for rolling stock model (Labrador). Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 37-43)
- Towards a field test methodology for locomotive brake testing using a representative low adhesion simulation. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 495-502)
- Twin disc assessment of wear regime transitions in R400ht-E8 Pairs. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 181-188)
- Effects of oxide and water on friction of rail steel-new test method and friction mapping. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 464-473)
- Investigation of leaf chemistry and leaf layer: Low adhesion mechanism. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 419-430)
- Measurement of rolling-sliding wheel/rail contact condition using full-scale rig with ultrasound. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 281-291)
- Investigation of the influence of rail hardness on the wear of rail and wheel materials under dry conditions (ICRI wear mapping project). Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 510-517)
- A Re-commissioned flexible full-scale wheel/rail test facility. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 518-528)
- Laser cladding of rail; The effects of depositing material on lower rail grades. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 610-617)
- Field assessment of friction and creepage with a new tribometer. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 208-217)
- The development of a traction gel assessment method. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 1090-1095)
- Iron oxide and water paste rheology and its effect on low adhesion in the wheel/rail interface. Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems, CM 2018 (pp 1084-1089)
- Characterizing the microcirculation of atopic dermatitis using angiographic optical coherence tomography. Proceedings of SPIE, Vol. 10037 View this article in WRRO
- Investigation into surface interaction between the contact lens, the upper eyelid and cornea using optical coherence tomography. Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XVII View this article in WRRO
- The Interaction of Bio-lubricants with Elastomers, Tested Through Hanson Solubility Parameter and Stress Relaxation Tests.. Proceedings of 17th Nordic Symposium on Tribology - NORDTRIB 2016
- High Speed Optical Coherence Elastography for Human Skin Deformation Studies. Photonics West 2016
- Skin Surface and Sub-Surface Strain and Deformation Imaging using OCT and DIC. Photonics West 2016
- Thermo-physiological comfort and frictional characteristics of running socks in different moisture conditions. Textile Bioengineering and Informatics Symposium Proceedings 2016 - 9th Textile Bioengineering and Informatics Symposium, TBIS 2016, in conjunction with the 6th Asian Protective Clothing Conference, APCC 2016 (pp 778-783)
- Optical coherence elastography for human finger-pad skin deformation studies. Optical Elastography and Tissue Biomechanics III
- Investigating Foot-sock Friction: A Comparison of Two Different Methodologies. Procedia Engineering, Vol. 147 (pp 759-764)
- Skin surface and sub-surface strain and deformation imaging using optical coherence tomography and digital image correlation. Optical Elastography and Tissue Biomechanics III
- The contribution of iron oxides to the wet-rail phenomenon. Civil-Comp Proceedings, Vol. 110
- Investigation of the influence of rail hardness on the wear of rail and wheel materials under dry conditions. Civil-Comp Proceedings, Vol. 110
- Wheel-rail endpost contact characterisation using ultrasound reflectometry. Civil-Comp Proceedings, Vol. 110
- Laser cladding of railway track to promote wear/RCF, bend fatigue and IBJ Lipping resistance. Civil-Comp Proceedings, Vol. 110
- Frictional Interaction between Running Sock Fabrics and Plantar Aspect of First Metatarsal Head in Different Moisture Conditions. Procedia Engineering, Vol. 147 (pp 753-758)
- An Experimental Investigation and Improvement of Insulated Rail Joints (IRJs). Proceedings of TurkeyTrib
- Improving Rail Wear and RCF Performance using Laser Cladding. CM2015 - 10th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, 30 August 2015 - 3 September 2015. View this article in WRRO
- A study into the effect of the presence of moisture at the wheel/rail interface during dew and damp conditions. CM 2015 - 10th International Conference on Contact Mechanics of Wheel / Rail Systems
- Geospatial and temporal analysis of wheel slide events. CM 2015 - 10th International Conference on Contact Mechanics of Wheel / Rail Systems
- Optimisation of a Railway Sanding System, Part 1: Optimal Grain Entrainment into the Wheel/Rail Contact. CM2015
- User-Informed re-design of a sonography system to
reduce Work-Related Musculoskeletal Disorders. Proceedings of the Third European Conference on Design4Health 2015. Sheffield, 13 July 2015 - 16 July 2015.
- An Experimental Investigation and Improvement of Insulated Rail Joints. Proceedings of SerbiaTrib2015
- Investigation into the effect of moisture on rail adhesion. Stephenson Conference Research for Railways 2015, Vol. 2015-April (pp 395-407)
- Insulated rail joint enhancement: Testing and analysis. Stephenson Conference Research for Railways 2015, Vol. 2015-April (pp 463-476) View this article in WRRO
- High pressure torsion testing of the wheel/rail interface. CM 2015 - 10th International Conference on Contact Mechanics of Wheel / Rail Systems
- Alternative twin-disc assessment of solid stick flange lubricants. CM 2015 - 10th International Conference on Contact Mechanics of Wheel / Rail Systems
- Investigating a methodology to measure moisture in skin–textile friction experiments. Footwear Science, Vol. 7(sup1) (pp S15-S16) View this article in WRRO
- Effects of Moisture Content on the Strength and Wear Resistance of Chalk (pp 305-310)
- Proceedings of the British Medical Ultrasound Society 46th Annual Scientific Meeting 9–11 December 2014, The Point, Emirates Old Trafford, Manchester, UK. Ultrasound, Vol. 23(2) (pp NP1-NP42)
- Studies on the Friction Coefficient of Human Skin and Skin Substitutes. Proceedings of International Conference on Biotribology (ICoBT)
- The effects of alternative top of rail friction materials on pre-existing rolling contact fatigue cracks. Civil-Comp Proceedings, Vol. 104
- Experimental modelling of rail end lipping in insulated joints. Civil-Comp Proceedings, Vol. 104
- Dynamic characterisation of the wheel/rail contact using ultrasonic reflectometry. Civil-Comp Proceedings, Vol. 104
- The real-time measurement of wear using ultrasonic reflectometry. 5th World Tribology Congress, WTC 2013, Vol. 4 (pp 3224-3227)
- Rail Grinding for the 21st Century – Taking a Lead from the Aerospace Industry. CM2012
- Rail Wear: Effect of Third Body Materials. Railways 2012
- Tribology of the Wheel/Rail Contact: The Effect of Third Body Materials. Railways 2012
- Experimental Evaluation of the Metal-to-Metal Seal Design for High-Pressure Flexible Pipes. Offshore Technology Conference
- Third body layer - Experimental results and a model describing its influence on the traction coefficient. 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, CM 2012 (pp 335-343)
- Wheel and rail wear - Understanding the effect of third body materials. 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, CM 2012 (pp 394-401)
- Low adhesion due to oxide formation in the presence of NaCl. 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, CM 2012 (pp 309-317)
- Assessment of railway grease performance using a twin-disc tester. 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, CM 2012 (pp 742-749)
- The effect of friction modifiers on wheel/rail isolation at low axle loads. 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, CM 2012 (pp 61-71)
- Investigation of the isolation and frictional properties of hydrophobic products on the railhead, when used to combat low adhesion. 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, CM 2012 (pp 737-741)
- Assessment of Laser Cladding as an Option for Repair of Rails. 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (pp 380-385). Chengdu, China, 27 August 2012 - 30 August 2012.
- A Performance-Based Approach to Medical Glove Design. Proceedings of Design for Health Conference 2011
- The Modification of a Slip Resistance Meter for Measurement of Railhead Adhesion. International Heavy Haul Association Conference (IHHA 2011), Calgary, Canada, June 19th – 22nd
- The Effect of Temperature, Humidity and Railhead Contamination on the Performance of Friction Modifiers; A Pin-on-Disk Study. International Heavy Haul Association Conference (IHHA 2011), Calgary, Canada, June 19th – 22nd
- The Influence of Induction Hardening on the Impact Wear Resistance of Compacted Graphite Iron (pp 124-124)
- Review of Test Methods Relevant to Medical Glove Design. Proceedings of the Human Factors and Ergonomics Society Annual Meeting, Vol. 55(1) (pp 700-704)
- An Alternative Method for the Assessment of Railhead Traction. 8th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2009), Firenze, Italy, September 15th -18th
- The Effect of Temperature, Humidity and Railhead Contamination on the Performance of Friction Modifiers; A Pin-on-Disk Study. 8th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2009), Firenze, Italy, September 15th -18th
- Rolling-sliding laboratory tests of friction modifiers in leaf contaminated wheel-rail contacts. 2008 Proceedings of the STLE/ASME International Joint Tribology Conference, IJTC 2008 (pp 213-215)
- A NUMERICAL MODEL OF TWIN DISC TEST ARRANGEMENT FOR EVALUATING RAILWAY WHEEL WEAR PREDICTION ALGORITHMS. PROCEEDINGS OF THE STLE/ASME INTERNATIONAL JOINT TRIBOLOGY CONFERENCE 2008 (pp 469-471)
- A COMPARISON OF THREE METHODS FOR THE MEASUREMENT OF WHEEL RAIL CONTACT. PROCEEDINGS OF THE STLE/ASME INTERNATIONAL JOINT TRIBOLOGY CONFERENCE 2008 (pp 541-543)
- A railway wheel wear prediction tool based on multibody software. Proceedings of the Mini Conference on Vehicle System Dynamics, Identification and Anomalies (pp 159-168)
- Friction between players' hands and sports equipment. ENGINEERING OF SPORT 7, VOL 1 (pp 27-34)
- A rail mounted ultrasonic sensor for contact patch measurement. JRC2008: PROCEEDINGS OF THE ASME/IEEE/ASCE JOINT RAIL CONFERENCE (pp 125-130) View this article in WRRO
- The effect of friction modifiers on wheel/rail isolation. JRC2008: PROCEEDINGS OF THE ASME/IEEE/ASCE JOINT RAIL CONFERENCE (pp 109-117)
- Feasability study for an ultrasonic sensor for monitoring wheel flange contact. JRC2008: PROCEEDINGS OF THE ASME/IEEE/ASCE JOINT RAIL CONFERENCE (pp 119-124) View this article in WRRO
- Predicting railway wheel wear starting from multi-body analysis: A preliminary study. JRC2008: PROCEEDINGS OF THE ASME/IEEE/ASCE JOINT RAIL CONFERENCE (pp 79-87) View this article in WRRO
- Improving the understanding of grip. IMPACT OF TECHNOLOGY ON SPORTS II (pp 129-134)
- Valve Recession - Investigating the Importance of Impact Wear. Tribology 2006: Surface Engineering and Tribology for Future Engines and Drivelines. London, UK, 12 July 2006 - 13 July 2006.
- An integrated approach to introducing sustainable development design concepts to the curriculum. Proceedings of the International Conference on Innovation, Good Practice and Research in Engineering Education 2006, EE 2006 (pp 142-147)
- Better by design: Developing teaching concepts through group work. Proceedings of the International Conference on Innovation, Good Practice and Research in Engineering Education 2006, EE 2006 (pp 522-526)
- Valve Recession: From Experiment to Predictive Model. Experimental And Numerical Methods For Powertrain Development. Institution of Mechanical Engineers, London, UK, 28 September 2005 - 29 September 2005.
- A Design Tool for Railway Wheels Incorporating Damage Models and Dynamic Simulations. Joint Rail
- The Application of Ultrasound as a Tool for Studying Contact Stresses in Railway Engineering Component Contacts. Joint Rail
- Ultrasound as a tool to measure the wear of human tooth enamel. Proceedings of the World Tribology Congress III - 2005 (pp 645-646)
- Ultrasonic measurement of wheel HUB/AXLE interference fit pressures. Proceedings of the World Tribology Congress III - 2005 (pp 239-240)
- Ultrasonic reflection from mixed liquid-solid contacts and the determination of interface stiffness. Tribology and Interface Engineering Series, Vol. 48 (pp 313-320) View this article in WRRO
- Measuring pressure in apple contacts. Proceedings of the World Tribology Congress III - 2005 (pp 869-870)
- The application of ultrasound as a tool for studying contact stresses in railway engineering component contacts. Proceedings of the 2005 ASME/IEEE Joint Rail Conference, Vol. 29 (pp 83-88) View this article in WRRO
- A design tool for railway wheels incorporating damage models and dynamic simulations. Proceedings of the 2005 ASME/IEEE Joint Rail Conference, Vol. 29 (pp 73-81) View this article in WRRO
- A fast and reliable algorithm for the estimation of railway wheel wear. Proceedings of the Mini Conference on Vehicle System Dynamics, Identification and Anomalies (pp 201-208)
- Wheel-rail wear and surface damage caused by adhesion sanding. Transient Processes in Tribology, Vol. 43 (pp 731-741)
- Ultrasonic characterisation of a wheel/rail contact. Transient Processes in Tribology, Vol. 43 (pp 151-158)
- Incorporating a railway wheel wear model into multi-body simulations of wheelset dynamics. TRIBOLOGICAL RESEARCH AND DESIGN FOR ENGINEERING SYSTEMS (pp 367-376)
- Ultrasonic characterisation of an interference fit. TRIBOLOGICAL RESEARCH AND DESIGN FOR ENGINEERING SYSTEMS (pp 449-458)
- An experimental approach to solving combustion engine valve and seat wear problems. Tribology Series, Vol. 39 (pp 629-640)
- The Effectiveness of Chalk as a Friction Modifier for Finger Pad Contact With Rocks of Varying Roughness. STLE 2023 Digital Proceedings. Park Ridge, IL, USA, 21 May 2023 - 25 May 2023.
- New Methodology for Assessing Preventive Grinding in Rails. Civil-Comp Conferences, 22 August 2022 - 25 August 2022.
- Studying Solid Sticks for Friction Modification of the Tread Contact Using a Twin Disc Rig. Civil-Comp Conferences, 22 August 2022 - 25 August 2022.
- Development of a Model to Assess the Risk of Low
Adhesion at Different Rail Sites. Civil-Comp Conferences, 22 August 2022 - 25 August 2022.
- Rail Contact Stress Real-time Monitoring using Ultrasound Reflectometry. Structural Health Monitoring 2017, 12 September 2017 - 14 September 2017.
- Assessment of Friction Modifiers Performance using Two Different Laboratory Test-Rigs. Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance, 5 April 2016 - 8 April 2016.
- Dynamic Characterisation of the Wheel/Rail Contact using Ultrasonic Reflectometry. Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance, 8 April 2014 - 11 April 2014.
- Investigation of Soot Contaminated Lubricant Wear Mechanisms. SAE Technical Paper Series
- Comparison of Tack of Pressure Sensitive Adhesives (PSA) at different temperatures. 3RD INTERNATIONAL CONFERENCE ON ADVANCED COMPUTATIONAL ENGINEERING AND EXPERIMENTING, ACE-X2009. Rome, Italy, 22 April 2009 - 22 April 2009.
- Comparison of Numerical and Ultrasonic Techniques for Quantifying Interference Fit Pressures. Proceedings of ICEM12, International Conference on Experimental Mechanics. Bari, Italy, 29 August 2004 - 2 September 2004.
- Contact Pressure Measurement In Bolted Joints. Proceedings of ICEM12, International Conference on Experimental Mechanics. Bari, Italy, 29 August 2004 - 2 September 2004.
- Contact Pressure Calculations on Rough Measured Surfaces. Proceedings of the 9th International Conference on the Metrology and Properties of Engineering Surfaces. Halmstad, Sweden, 10 September 2003 - 11 September 2003.
Posters
- The Performance of Bio-Lubricants with Common and Novel Automotive Coating. Society of Tribologists and Lubrication Engineers Annual Meeting and Exhibition 2018.
- The effects of cryogenic treatment on the sliding wear performance and microstructure of ferrous alloys. 19th International Conference on Wear of Materials.
Presentations
- MODELLING ROLLING CONTACT FATIGUE CRACKING WITH A 2D TRUSS-LIKE DISCRETE ELEMENT METHOD. Melbourne, Australia.
- The Interaction of Bio-lubricants with Elastomers, Tested Through Hanson Solubility Parameter and Stress Relaxation Tests. The 17th Nordic Symposium on Tribology - NORDTRIB 2016, Aulanko, Hämeenlinna, Finland.
Other
- Special Issue on Tribology of Sport. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 226(J7), 587-587.
Preprints
- Sub-surface deformation of individual fingerprint ridges during tactile interactions, eLife Sciences Publications, Ltd.
- Sub-surface deformation of individual fingerprint ridges during tactile interactions, eLife Sciences Publications, Ltd.
- Sub-surface deformation of individual fingerprint ridges during tactile interactions, Cold Spring Harbor Laboratory.
- Automotive Engine Valve Recession. Wiley.
- Grants
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- SBRI First of a Kind 2020 rail head cleaning project (July 2020 – Mar 2021) - £390,000
- Network Rail funded track cleaning (July 2020-Dec 2020) - £350,000
- Network Rail In2Track2 project on S&C friction modification (July 2020 – August 2021) - £80,000
- MCL TopTrack Project (Nov 2019 – Oct 2022) - £60,000
- Network Rail funded track trials of rail head cleaning (Sept 2019 – Jan 2020) - £199,000
- ViF funded PhD on rail fatigue and wear testing (Oct 2019-Sept 2022) - £60,000
- IIKE funded project to trial cryogenic track cleaning on a RHTT with NEXUS (Feb 2020 – Aug 2020) - £75,000
- RSSB funded Adhesion Forecasting project with the Met Office (Feb 2019 – July 2019) - £103,000
- EPSRC funded Centre to Centre Project (EP/S030476/1) with Leeds University (Oct 2019 – Sept 2023) - £670,000
- RSSB funded Adhesion Forecasting project using AI with Ikon Risk Consulting (Apr 2019 – Mar 2020) - £62,000
- ARN Innovation Fund Railhead Cleaning (September 2018 – December 2019) - £150,000
- ViF funded TriboWearTherm project (Sept 2018 – Aug 2021) - £50,000
- IIKE funded Railhead Cleaning project (Nov 2018 – Apr 2019) - £54,000
- FRA funded project on rail stress measurement (Jan 2019 – Jun 2020) (with R.S. Dwyer-Joyce and A. Gower) - £116,27
- RSSB funded Grant Scheme project with Network Rail to establish benchmarks tests for TOR products (Mar 2019 – Sept 2020) - £164,000
- RAEng/RSSB funded Research Chair (Mar 2019 – Feb 2024) - £225,000
- Network Rail sponsored iT-CDT project on rail grinding (Oct 2017 – Sept 2021) - £80,000
- RSSB funded project to investigate leaf chemistry effects on low adhesion (iT-CDT studentship) (Oct 2017 – Sept 2021) - £80,000
- RSSB funded project (T1149) to extend a low adhesion creep force model (LILAC) (Oct 2018 – Jul 2019) - £178,958
- Network Rail project on ballast laying machine wear plates (Nov 2019 – Feb 2020) - £27,000
- MDVSNPLUS skin tribology project (Jan 2019 – Apr 2019) - £25,000
- UKRRIN equipment grant (Jan 2018 – Dec 2021) - £1,300,000
- EPSRC funded Programme Grant – Friction: The Tribology Enigma (EP/R001766/1) (Sept 2017 – Aug 2022) - £3,400,000
- RSSB funded PhD on leaf layers (Oct 2015 – Sept 2018) - £18,000
- ViF sponsored project on Ballast testing - £17,857
- FRA funded project to model the effects of top of rail friction modifiers in the wheel/rail interface (Oct 2017 – Sept 2018) - £221,428
- RSSB funded project on optimised braking with dry-ice application (April 2017 – Oct 2018) - £500,000
- RSSB funded project on optimised braking with water application (April 2017 – Oct 2018) - £500,000
- RAEng Newton Fund Project (Colombia) (Mar 2016 – Feb 2018) - £30,000
- LB Foster research grant to top-up a PhD studentship to investigate friction modifiers used in the wheel/rail contact. (Oct 2015 – Sept 2018) - £21,000
- RSSB/FutureRailways funded project on optimised braking with water application (July 2015 – Dec 2015) - £93,000
- RSSB/FutureRailways funded project on optimised braking with dry-ice application (July 2015 – Dec 2015) - £85,000
- EPSRC funded project on laser cladding of the railhead (ALCHEMy) (June 2015-May 2018) - £900,000 (£450k at UoS/£450k at University of Bristol)
- RSSB/Network Rail funded project to develop a model to predict the effect of water in the wheel/rail contact (Apr 2015 – Mar 2016) - £250,000
- Network Rail funded project to investigate using ultrasound to determine longitudinal stress in a railhead (Jul 2014 – Dec 2015) - £30,000
- RSSB/RRUKA research grant to support an EPSRC iCASE Award to investigate low adhesion mechanisms in the wheel/rail contact (Oct 2014 – Mar 2018) - £23,000
- RSSB funded project to investigate lubrication of the wheel/rail contact (iT-CDT studentship) (Oct 2014 – Sept 2018) - £80,000
- Teaching activities
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Professor Lewis has most recently taught tribology and sustainable design to fourth years. He led the development of a ground breaking interdisciplinary sustainable design project based on local live development sites.
This involves Civil and Structural Engineering, Architecture, Town and Regional Planning and Landscape. Professor Lewis has won three University of Sheffield Senate Teaching Awards for his innovation in teaching methods.