T. Douillard
Comparative ageing behaviour of commercial, unworn and worn 3Y-TZP and zirconia-toughened alumina hip joint heads.
Douillard, T.; Chevalier, J.; Descamps-Mandine, A.; Warner, I.; Galais, Y.; Whitaker, P.; Wu, J.J.; Wang, Q.Q.
Authors
J. Chevalier
A. Descamps-Mandine
I. Warner
Y. Galais
P. Whitaker
Professor Junjie Wu junjie.wu@durham.ac.uk
Professor
Q.Q. Wang
Abstract
There is a trend today to develop zirconia toughened alumina (ZTA) composites for orthopaedic applications. So far, there is limited data concerning their sensitivity to ageing, especially considering tests performed on implants produced on an industrial scale. Here, complementary tools were used to assess the ageing resistance of ZTA femoral heads. The results were compared to femoral heads processed under the same industrial process with monolithic 3Y-TZP. As expected, monolithic 3Y-TZP implants exhibited significant ageing. In contrast ZTA femoral head showed no sign of degradation even over a period equivalent to that of a human life. The potential impact of coupling effects between wear and ageing is assessed. Monolithic zirconia and ZTA femoral heads were thus first worn in a hip joint simulator, and then aged in autoclave. The kinetics of transformation of the worn monolithic zirconia implants is accelerated while that of worn ZTA femoral heads remains almost unchanged.
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 7, 2012 |
Online Publication Date | Feb 1, 2012 |
Publication Date | 2012-07 |
Deposit Date | Feb 2, 2012 |
Journal | Journal of the European Ceramic Society |
Print ISSN | 0955-2219 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 32 |
Issue | 8 |
Pages | 1529-1540 |
DOI | https://doi.org/10.1016/j.jeurceramsoc.2012.01.003 |
Keywords | Lifetime, Al2O3, ZrO2, Biomedical applications, Composites. |
Public URL | https://durham-repository.worktribe.com/output/1508177 |
You might also like
Biotribological and Structural Analyses of Large Diameter Ceramic on Carbon Fibre Reinforced PEEK Hip Joints with Different Inclination
(2011)
Presentation / Conference Contribution
A mathematical model of the eye lens epithelium of mammals that predicts cell density profiles in the ageing lens.
(2015)
Presentation / Conference Contribution
Prosim Simulator Wear Study of 60mm Diameter Zirconia Toughened Alumina Composite Hip Bearings: The Effect of High Cup Inclination Angle and Microseparation
(2011)
Presentation / Conference Contribution
Effect of Knee, Ankle and Hip Joint Replacements on Vitamin E Infused Highly Crosslinked UHMWPE Wear Particles Size, Shape and Morphologies Using a New Modified Base Digestion Method
(2015)
Presentation / Conference Contribution
Do structural alterations mediated by enzymatic activities influence the mechanical properties of capsular biomembranes?
(2014)
Presentation / Conference Contribution
Downloadable Citations
About Durham Research Online (DRO)
Administrator e-mail: dro.admin@durham.ac.uk
This application uses the following open-source libraries:
SheetJS Community Edition
Apache License Version 2.0 (http://www.apache.org/licenses/)
PDF.js
Apache License Version 2.0 (http://www.apache.org/licenses/)
Font Awesome
SIL OFL 1.1 (http://scripts.sil.org/OFL)
MIT License (http://opensource.org/licenses/mit-license.html)
CC BY 3.0 ( http://creativecommons.org/licenses/by/3.0/)
Powered by Worktribe © 2024
Advanced Search