Method for friction estimation in reciprocating wear tests

被引：7
作者：
Fam, H. [1 ,2 ]
Kontopoulou, M. [1 ,2 ]
Bryant, J. T. [1 ,3 ]
机构：
[1] Queens Univ, Kingston Gen Hosp, Human Mobil Res Ctr, Kingston, ON, Canada
[2] Queens Univ, Dept Chem Engn, Kingston, ON K7L 3N6, Canada
[3] Queens Univ, Dept Mech & Mat Engn, Kingston, ON, Canada
来源：
WEAR | 2011年 / 271卷 / 5-6期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Friction coefficient; Wear testing; Knee arthroplasty; Joint replacements; Joint fluid; MOLECULAR-WEIGHT POLYETHYLENE; TOTAL KNEE PROSTHESES; OXIDIZED ZIRCONIUM; UHMWPE WEAR; LUBRICATION; COMPONENTS; MECHANISMS; REPLACEMENTS; SIMULATOR; SURFACES;
D O I：
10.1016/j.wear.2011.01.014
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A method is described by which the coefficient of friction was determined using a linear reciprocating wear testing machine with spherical metal indenters articulating on fiat UHMWPE samples and deionized and distilled water lubrication. A characteristic periodic pattern in the friction behaviour was observed. The coefficient of friction was computed by calculating the average of 30 points about the midpoint between reversals and using the average of three cycles. Variability between tests was equivalent to that obtained between stations but was considerably higher than that obtained between cycles. The coefficient of friction could reliably be estimated using this method with a standard deviation of 0.005. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：999 / 1003
页数：5
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