Structural design of Cr/GLC films for high tribological performance in artificial seawater:Cr/GLC ratio and multilayer structure

查看全文 作　　者：Lei [1,2]Li;Peng [1]Guo;Lin-Lin [1]Liu;Xiaowei [1]Li;Peiling [1]Ke;Aiying [1]Wang

机构地区：[1]Key Laboratory of Marine Materials and Related Technologies,Zhejiang Key Laboratory of Marine Materials and Protective Technologies,Ningbo Institute of Materials Technology and Engineering,Chinese Academy of Sciences,Ningbo 315201,China;[2]University of Chinese Academy of Sciences,Beijing 100049,China

出　　处：《Journal of Materials Science & Technology》索引2018年第34卷第8期,共8页

基　　金：supported by the National Natural Science Foundation of China(Nos.51522106 and 51375475);Zhejiang Key Research and Development Program(2017C01001);Public Projects of Zhejiang Province 摘　　要：In this paper,graphite-like carbon(GLC)films with Cr buffer layer were fabricated by DC magnetron sputtering technique with the thickness ratio of Cr to GLC films varying from 1:2 to 1:20.The effect of Cr/GLC modulation ratio on microstructure,mechanical and tribological properties in artificial seawater was mainly investigated by scanning electron microscopy(SEM),energy dispersive spectroscopy(EDS),nano-indenter and a reciprocating sliding tribo-meter.The propagation of defects plays an important role in the evolution of delamination,which is critical to wear failure of GLC films in artificial seawater.Designing the proper multilayer structure could inhibit the defects propagation and thus protect the basis material.The multilayer Cr/GLC film with optimized ratio of 1:3 demonstrates a low average friction coefficient of 0.08±0.006 and wear rate of(2.3±0.3)×10^(-8)mm^3/(N m)in artificial seawater,respectively. 关键词：Cr/GLC films MULTILAYER Modulation ratio Tribological properties

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Structural design of Cr/GLC films for high tribological performance in artificial seawater:Cr/GLC ratio and multilayer structure

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