Comparison between radial fretting and dual-motion fretting features of cortical bone

被引：12

作者：

Gao, Shanshan ^{[1
]}

Cai, Zhenbing ^{[2
]}

Quan, Huixin ^{[1
]}

Zhu, Minhao ^{[2
]}

Yu, Haiyang ^{[1
]}

机构：

[1] Sichuan Univ, W China Hosp Stomatol, State Key Lab Oral Dis, Chengdu 610041, Peoples R China

[2] SW Jiaotong Univ, Natl Tract Power Lab, Tribol Res Inst, Chengdu 610031, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2010年 / 43卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

Radial fretting; Dual-motion fretting; Cortical bone; BEHAVIOR; TITANIUM;

D O I：

10.1016/j.triboint.2009.07.008

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Fretting tests were carried out to compare the effect of radial and dual-motion modes on wear of cortical bone. A titanium ball was rubbed against fresh human cortical bone under controlled load and motion test conditions. Dual-motion fretting mode produced more severe damage than radial fretting, with more debris occurring at the worn surface. Cracks were abundant in radial fretting and they were significantly affected by the microstructure of cortical bone; this effect was not obvious in the case of the dual-motion fretting mode. Radial fretting test could be used to evaluate the anisotropy of material and crack propagation of brittle cortical bone. (c) 2009 Elsevier Ltd. All rights reserved.

引用

页码：440 / 446

页数：7

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