The effect of different assembly loads on taper junction fretting wear in total hip replacements

被引：49

作者：

English, Russell ^{[1
]}

Ashkanfar, Ariyan ^{[1
]}

Rothwell, Glynn ^{[1
]}

机构：

[1] Liverpool John Moores Univ, Sch Engn Technol & Maritime Operat, Byrom St, Liverpool L3 3AF, Merseyside, England

来源：

TRIBOLOGY INTERNATIONAL | 2016年 / 95卷

关键词：

Fretting wear modelling; Finite element analysis; Total hip replacements; Assembly force; FAILURE; HEAD; RETRIEVAL; CORROSION; PATTERNS; STRENGTH; ALLOY;

D O I：

10.1016/j.triboint.2015.11.025

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Variability in the magnitude of the impaction force applied by surgeons to assemble a hip prosthetic head to a femoral stem could be a cause of increased wear in taper junctions. This study investigates the effect of varying the magnitude of the assembly force on fretting wear at the taper over a 10 year period using a 3D finite element model and wear algorithm. It is demonstrated that an increase in assembly force results in a reduction in fretting wear and it is recommended that surgeons should apply an impact force of at least 4 kN to minimise wear rates. The wear patterns and wear rates presented are comparable with observation and measurement of those seen in retrieved prostheses. (C) 2015 Elsevier Ltd. All rights reserved.

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收藏

页码：199 / 210

页数：12

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