Dr Peng Zeng
BEng, MEng, PhD
Research Associate (EPSRC)
Address:
Department of Materials Science and Engineering
Kroto Research Institute, North Campus
Broad Lane, Sheffield S3 7HQ
Telephone: +44 (0) 114 222 5519
Fax: +44 (0) 114 222 5943
Email: p.zeng@sheffield.ac.uk
Peng Zeng obtained her PhD on ‘Wear mechanisms of alumina hip prostheses’ from University of Sheffield in 2008. Before moving to Sheffield, she received both her BEng and MEng in Materials Engineering from Shanghai Jiao Tong University, China.
Research interests
Peng Zeng’s research interests centre on the characterisation of microstructure, in particularly sub-surface changes, and wear mechanisms of metal-on-metal and ceramic-on-ceramic hip prostheses. These can be summarised as follows:
- Wear mechanisms of in vitro simulated and in vivo retrieved hip prostheses, such as metal-on-metal and ceramic-on-ceramic hip prostheses.
- Characterisation of sub-surface changes of various materials.
- Development of focused ion beam techniques for site-specific TEM sample preparation.
- Defects in alumina.
- High-resolution TEM.
Current research
Peng is working on biomedical CoCr alloy and alumina. The project investigates the dynamic microstructural changes of biomedical CoCr alloy and alumina after various in vitro testing, as well as retrieved in vivo hip prostheses, to thereby develop next generation hip prostheses.
Key publications
- P Zeng, W M Rainforth, B J Inkson, T D Stewart, 2012. TEM analysis of worn alumina hip replacement prosthesis. Acta Mater. Accepted.
- W M Rainforth, P Zeng, L Ma, A Nogiwa Valdez, T Stewart, 2012. Dynamic surface microstructural changes during tribological contact that determine the wear behaviour of hip prostheses; metals and ceramics. Faraday Discussion 156. under review.
- P Zeng, W M Rainforth, B J Inkson, T D Stewart, 2012. Characterization of worn alumina hip replacement prostheses. J Biomed Mater Res Part B; 100B: 121-132.
- P Zeng, 2008. Biocompatible wear resistant ceramics for total hip replacements, Mater Sci & Tech 24 (5): 505-516.
- P Zeng, B J Inkson, W M Rainforth and T Stewart, 2008. 3D surface reconstruction and FIB microscopy of worn alumina hip prostheses, J of Physics: Conference Series. 126: 012044.
- P Zeng, B J Inkson and W M Rainforth, 2006. Characterisation of alumina hip-joint wear by FIB microscopy, J of Physics: Conference Series 26:343-346.