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2010 , Vol. 25 >Issue 4: 349 - 353

DOI: https://doi.org/10.3724/SP.J.1077.2010.00349

研究论文

炭/炭复合材料人工髋关节磨损颗粒研究

  • 张磊磊 ,
  • 胡 涛 ,
  • 李贺军 ,
  • 卢锦花 ,
  • 沈学涛 ,
  • 曹伟锋 ,
  • 王 斌
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  • 1. 西北工业大学 材料学院, 西安 710072; 2. 第四军医大学 西京医院心血管内科， 西安 710032

收稿日期: 2009-08-10

  修回日期: 2009-10-15

  网络出版日期: 2010-04-27

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Wear Particles of Carbon/Carbon Composite Artificial Hip Joints

  • ZHANG Lei-Lei ,
  • HU Tao ,
  • LI He-Jun ,
  • LU Jin-Hua ,
  • SHEN Xue-Tao ,
  • CAO Wei-Feng ,
  • WANG Bin
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  • 1. School of Materials Science, Northwestern Polytechnical University, Xi’an 710072, China; 2. Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China

Received date: 2009-08-10

  Revised date: 2009-10-15

  Online published: 2010-04-27

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摘要

分离提取了炭/炭复合材料在髋关节模拟试验机中形成的磨损颗粒. 采用激光粒度仪考察了磨损颗粒的尺寸分布, 借助扫描电镜分析了磨损颗粒的形貌特征, 采用三维轮廓仪检测了磨损颗粒的厚度规律. 结果表明, 炭/炭复合材料磨损颗粒的尺寸分布在0.3～93.9μm之间, 其形貌和厚度依据颗粒尺寸呈现规律性的分布, 大尺寸（＞30μm）颗粒基本是破损的碳纤维, 厚度稳定; 中尺寸（3~30μm）颗粒的外形不规则, 边界轮廓复杂, 厚度分布范围广泛; 小尺寸（＜3μm）颗粒呈现圆片形或球形, 厚度分布在亚微米级别. 同时根据实验结果, 揭示了炭/炭复合材料磨损颗粒在磨擦过程中的演变过程.

关键词： 炭/炭复合材料; 磨损颗粒; 假体; 人工髋关节

本文引用格式

张磊磊 , 胡 涛 , 李贺军 , 卢锦花 , 沈学涛 , 曹伟锋 , 王 斌 . 炭/炭复合材料人工髋关节磨损颗粒研究[J]. 无机材料学报, 2010 , 25(4) : 349 -353 . DOI: 10.3724/SP.J.1077.2010.00349

Abstract

The carbon/carbon composite wear particles generated from a hip joint simulator were separated. The size, morphology and thickness of the particles were tested by laser particle size analyzer, scanning electron microscope and 3-D profiler, respectively. The results show that the particles are 0.3-93.9μm in size and the morphology and the thickness of the particles distributes regularly according to their sizes. The particles whose sizes are larger than 30μm are carbon fibers with a constant thickness. The particles whose thicknesses are in a broad range with medium size (3-30μm) show irregular morphology and complex boundary. The particles whose thicknesses are in the range of submicrometers are less than 3μm in size and have a spherical or circular shape. Based on the experimental results, the evolvement of the wear particles in the wear process is explained.

Key words： carbon/carbon composites; wear particles; prosthesis; artificial hip joint

参考文献

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