A micro-scale abrasion test to study the influence of counterface roughness on the wear resistance of UHMWPE

被引：0
|
作者：
Laurian, T. [1 ]
Tudor, A.
Antoniac, I.
Miculescu, F.
机构：
[1] Univ Politehn Bucuresti, Fac Mech Engn, Bucharest, Romania
[2] Univ Politehn Bucuresti, Fac Med Sci, Bucharest, Romania
来源：
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2007年 / 9卷 / 11期
关键词：
wear of UHMWPE; micro-scale abrasion; hip prosthesis; surface roughness;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In a common total hip or knee replacement the most used bearing pair consist of a hard smooth metal femoral component articulating against a soft Ultra High Molecular Weight Polyethylene (UHMWPE) acetabular (or tibial) component. The smoothness of the femoral surfaces and their resistance to third-body scratching are critically important for reducing the wear rate of UHMWPE. Experimental work was performed to find out the dependence between UHMWPE wear rate and the metal counterface roughness. The experimental study shows that the wear rate of UHMWPE is approximately proportional to the surface roughness of the counterface raised to the power 5.65.
引用
收藏
页码：3383 / 3388
页数：6
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