医用炭/炭复合材料人工髋关节的磨损机理研究

doi:10.3724/SP.J.1077.2010.10144

无机材料学报 ›› 2010, Vol. 25 ›› Issue (9): 999-1002.DOI: 10.3724/SP.J.1077.2010.10144

医用炭/炭复合材料人工髋关节的磨损机理研究

李贺军, 张磊磊, 卢锦花, 李克智, 付前刚, 赵雪妮, 曹盛

(西北工业大学凝固技术国家重点实验室, 西安710072)

收稿日期:2010-03-04 修回日期:2010-05-12 出版日期:2010-09-20 网络出版日期:2010-08-25
基金资助:
“111” Project of China (B08040); National Natural Science Foundation of China(50832004)

Wear Mechanism of Biomedical Carbon/Carbon Composites for Artificial Hip Joints

LI He-Jun, ZHANG Lei-Lei, LU Jin-Hua, LI Ke-Zhi, FU Qian-Gang, ZHAO Xue-Ni, CAO Sheng

(State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China)

Received:2010-03-04 Revised:2010-05-12 Published:2010-09-20 Online:2010-08-25

摘要/Abstract

摘要：

髋关节模拟试验机在多方性复合运动方式、恒定载荷和血清润滑条件模拟了炭/炭复合材料人工髋关节在临床应用中的摩擦学行为. 采用扫描电镜、能谱和激光粒度分析仪分析了其磨损表面状态和磨损颗粒特性. 结果表明, 医用炭/炭复合材料人工髋关节在不同碳纤维方向呈现不同的磨损特性, 其磨损颗粒具有四种形貌并且尺寸分布在亚微米至数十微米之间, 其磨损机理主要是微切削作用和磨粒磨损.

关键词: 炭/炭复合材料, 磨损机理, 人工髋关节

Abstract:

A hip joint simulator was employed to predict the clinical wear behavior with testing conditions of a cross-path motion, a constant load and a lubricant of serum. The worn surface and the wear particles generated were analyzed by scanning electron microscope, energy dispersive spectroscope and laser particle size analyzer. The results show that the biomedical C/C composites for artificial hip joints have different wear features according to the carbon fibre orientation. Their wear particles have four kinds of morphologies with a size ranging from submicron to tens of micrometers. The wear mechanisms are mainly micro-cutting and abrasive wear.

Key words: carbon/carbon composite, wear mechanism, artificial hip joint

中图分类号:

TB332

李贺军, 张磊磊, 卢锦花, 李克智, 付前刚, 赵雪妮, 曹盛. 医用炭/炭复合材料人工髋关节的磨损机理研究[J]. 无机材料学报, 2010, 25(9): 999-1002.

LI He-Jun, ZHANG Lei-Lei, LU Jin-Hua, LI Ke-Zhi, FU Qian-Gang, ZHAO Xue-Ni, CAO Sheng. Wear Mechanism of Biomedical Carbon/Carbon Composites for Artificial Hip Joints[J]. Journal of Inorganic Materials, 2010, 25(9): 999-1002.

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医用炭/炭复合材料人工髋关节的磨损机理研究

Wear Mechanism of Biomedical Carbon/Carbon Composites for Artificial Hip Joints

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