Paper Title:
Biotribological Properties of UHMWPE Reinforce by Nano-ZrO2 Particle
  Abstract

Wear is the primary cause of failure of joint replacement prostheses. In this paper, the Ultra High Molecular Weight Polyethylene (UHMWPE) as an artificial joint acetabular material was reinforce by nano-ZrO2 particles. The friction and wear properties of ZrO2 - UHMWPE composites sliding against the Co-Cr-Mo alloy were studied under lubrication of distilled water, saline and calf serum. The worn surface is observed by the optics microscope to examine the wear mechanism of the composite. The hardness and wetting angle of the composites were also measured. The result shows that the hardness, wettability, friction and wear resistance were all improved by filing with nano-ZrO2 particles. The 2%ZrO2 - UHMWPE composite had the lowest wear rate.

  Info
Periodical
Key Engineering Materials (Volumes 330-332)
Main Theme
Edited by
Xingdong Zhang, Xudong Li, Hongsong Fan, Xuanyong Liu
Pages
1211-1214
DOI
10.4028/www.scientific.net/KEM.330-332.1211
Citation
D. S. Xiong, N. Yuan, "Biotribological Properties of UHMWPE Reinforce by Nano-ZrO2 Particle", Key Engineering Materials, Vols. 330-332, pp. 1211-1214, 2007
Online since
February 2007
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Price
$32.00
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