无机材料学报2012，Vol.27Issue(5)：545-549,5.DOI:10.3724/SP.J.1077.2012.00545
医用炭/炭复合材料表面梯度CVD热解炭涂层的摩擦性能研究
Friction of Pyrolytic Carbon Coating Prepared by Gradient CVD on Medical Carbon/Carbon Composites Surface
摘要
Abstract
Pyrolytic carbon coating was prepared by gradient chemical vapor deposition (CVD) on medical carbon/carbon composites surface. Microstructure, friction coefficient and wear capacity of the pyrolytic carbon cating were investigated. The results show that the pyrolytic carbon coating is covered densely by spherical pyrdytic carbon with dimension of about 20 μm, and close, multi-layer pyrolytic carbon is shown on the fracture. Compared with carbon/carbon composite prepared by asphalt impregnated/carbonization, the friction coefficient of the byrolytic carbon coating is higher in the dry friction whereas in wet friction of simulated human joints, its friction coefficient is lower. The wear loss of the pyrolytic carbon coating is much smaller than that of the latter in dry and wet friction. It suggests that medical carbon/carbon composites surface prepared by gradient CVD can improve the wear resistance of the carbon/carbon composites.关键词
炭/炭复合材料/化学气相沉积/梯度/摩擦Key words
carbon/carbon composites/ CND/ gradient/ friction分类
通用工业技术引用本文复制引用
倪昕晔,汤晓斌,林涛,耿长冉,蔡雷铭,顾卫东,陈达..医用炭/炭复合材料表面梯度CVD热解炭涂层的摩擦性能研究[J].无机材料学报,2012,27(5):545-549,5.基金项目
江苏省常州市社会发展基金(CS20102019) （CS20102019）
南京航空航天大学基础科研业务费专项基金(Y1065-0630) （Y1065-0630）
