DIAMOND-LIKE CARBON COATINGS ON TI-6AL-4V

被引：19

作者：

KUSTAS, FM ^{[1
]}

MISRA, MS ^{[1
]}

WEI, R ^{[1
]}

WILBUR, PJ ^{[1
]}

机构：

[1] COLORADO STATE UNIV,DEPT MECH ENGN,FT COLLINS,CO 80523

来源：

TRIBOLOGY TRANSACTIONS | 1993年 / 36卷 / 01期

关键词：

MOLYBDENUM DISULFIDE; TI ALLOY; FRICTION; WEAR; COMPOSITION; DIAMOND-LIKE CARBON COATING;

D O I：

10.1080/10402009308983139

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Diamondlike carbon (DLC) was deposited onto Ti-6Al-4V, using a non-mass analyzed ion beam of methane, for subsequent coating characterization. Prior to successful deposition of DLC, a bond layer development study was required which resulted in the selection of SiC as an effective bond layer material. The DLC/SiC coating exhibited an extremely smooth surface finish, similar to the polished Ti-6Al-4V substrate. Tribology tests, conducted in room temperature air, showed a frictional dependence on load similar to that observed for solid lubricant films, and relatively low friction values, such as 0. 1-0.2. No DLC delamination and minor polishing wear was observed for loads up to 1 kg, which corresponds to an initial Hertz stress above the yield strength of the substrate material DLC failure at the SiC bond layer-Ti-6Al-4V interface was eventually observed at an extremely high load of 2.5 kg.

引用

页码：113 / 119

页数：7

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