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碳纳米管增强镍基复合镀层的形貌及摩擦磨损行为研究
引用本文:陈小华,李德意,等.碳纳米管增强镍基复合镀层的形貌及摩擦磨损行为研究[J].摩擦学学报,2002,22(1):6-9.
作者姓名:陈小华  李德意
作者单位:1. 湖南大学,材料科学与工程系,湖南,长沙,410082;浙江大学,物理系,浙江,杭州,310027
2. 湖南大学,材料科学与工程系,湖南,长沙,410082
3. 浙江大学,物理系,浙江,杭州,310027
基金项目:国家自然科学基金资助 ( 5 9972 0 31)
摘    要:利用碳纳米管作为增强相制备了镍基复合镀层 ,并对其表面形貌和摩擦磨损性能进行了探讨 .结果表明 :碳纳米管均匀地嵌镶于基体中 ,且端头露出 ,覆盖于基体表面 ;镍基复合镀层具有优良的耐磨性和自润滑性 ,可以显著改善金属表面的耐磨和减摩性能 ;复合镀层优良的耐磨和减摩性能归因于碳纳米管的超强超韧特性和自润滑性能 ,碳纳米管以网络和缠绕形态分布于复合镀层基体中 ,使复合镀层在摩擦磨损过程中不易脱落拨出

关 键 词:电镀镍  碳纳米管  复合镀层  耐磨性
文章编号:1004-0595(2002)01-0006-04
修稿时间:2001年5月23日

Morphology and Wear Behavior of Ni-Carbon Nanotube Comoposite Coating
CHEN Xiao-hu,LI De-yi,LI Xue-qian,ZHANG Zhen-hu,WANG Jian-xiong,LI Wen-zhu.Morphology and Wear Behavior of Ni-Carbon Nanotube Comoposite Coating[J].Tribology,2002,22(1):6-9.
Authors:CHEN Xiao-hu  LI De-yi  LI Xue-qian  ZHANG Zhen-hu  WANG Jian-xiong  LI Wen-zhu
Abstract:Carbon nanotube was used as a reinforcing agent to prepare Ni-matrix composite coating. The tribological behavior of the composite coating in reciprocating sliding against AISI-52100 steel was examined on an Optimol SRV friction and wear tester. The surface morphologies of the coatings before and after the friction and wear test were analyzed with a scanning electron microscope. The friction-reducing and wear-resistant mechanisms of the carbon nanotubes in the Ni-carbon nanotube composite coating are also discussed. As the results, the carbon nanotubes were uniformly embedded in the coating matrix and one end protruded from the surface. Ni-carbon nanotube composite coating has better wear resistance and self-lubricity than the Ni coating.
Keywords:electroplating Ni  carbon nanotube  composite coating  wear resistance
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