炭/炭复合材料人工髋关节磨损颗粒研究

被引：12

作者：

张磊磊 ^{[1
]}

胡涛 ^{[1
,2
]}

李贺军 ^{[1
]}

卢锦花 ^{[1
]}

沈学涛 ^{[1
]}

曹伟锋 ^{[1
]}

王斌 ^{[1
]}

机构：

[1] 西北工业大学材料学院

[2] 第四军医大学西京医院心血管内科

来源：

无机材料学报 | 2010年 / 25卷 / 04期

关键词：

炭/炭复合材料; 磨损颗粒; 假体; 人工髋关节;

D O I：

暂无

中图分类号：

TB332 [非金属复合材料];

学科分类号：

080505 [复合材料];

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.

引用

页码：349 / 353

页数：5

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