Tribocorrosion behaviors of multilayer PVD DLC coated 304L stainless steel in seawater

被引：66

作者：

Ye, Yuwei ^{[1
,2
]}

Wang, Yongxin ^{[1
]}

Ma, Xinli ^{[1
]}

Zhang, Dawei ^{[2
]}

Wang, Liping ^{[1
]}

Li, Xiaogang ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

[2] Univ Sci & Technol Beijing, Corros & Protect Ctr, Beijing 100083, Peoples R China

来源：

基金：

中国国家自然科学基金;

关键词：

Multilayer DLC coating; 304L substrate; Tribocorrosion behavior; Wear loss; Seawater; TRIBOLOGICAL PERFORMANCE; ARTIFICIAL SEAWATER; AMORPHOUS-CARBON; NACL SOLUTION; COATINGS; CORROSION; SURFACE; FILMS; RESISTANCE; DESIGN;

D O I：

10.1016/j.diamond.2017.09.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The multilayer DLC coating was successfully fabricated on the surface of 304L stainless steel and silicon wafers by unbalanced magnetron sputtering technology. The tribocorrosion tests were carried out in a triboelectrochemical cell using a ball-on-plate tribometer integrated with a potentiostat for electrochemical control. Results showed that the open circuit potential (OCP) and corrosion potential (E,) of 304L substrate presented great fluctuation. However, the OCP and values of the multilayer DLC coating remained relatively stable during these tests. Meanwhile, the friction coefficient decreased and the wear-loss increased with the polarization potential increased from -1 to 0.5 V. In addition, with an increase in polarization potential, the mechanical wear decreased obviously and the corrosion-induced wear gradually occupied a dominant position for 304L substrate, nevertheless, the mainly volume loss of the multilayer DLC coating was mainly attributed to pure mechanical wear. Thus, the tribocorrosion resistance of the multilayer DLC coating was superior to 304L substrate in seawater, manifesting its good potential as a protective material for marine industry.

引用

页码：70 / 78

页数：9

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