Tribological Performance of DLC/WC Coatings at Elevated Temperatures

被引：6
|
作者：
Vitu, Tomas [1 ]
Novak, Rudolf [1 ]
Novakova, Danuse [2 ]
机构：
[1] Czech Tech Univ, Fac Mech Engn, Dept Appl Phys, CR-16635 Prague 6, Czech Republic
[2] Czech Tech Univ, Fac Transportat Sci, Dept Appl Math, Prague 11000 1, Czech Republic
来源：
PLASMA PROCESSES AND POLYMERS | 2007年 / 4卷
关键词：
diamond-like carbon (DLC); running-in; tribology;
D O I：
10.1002/ppap.200730708
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Tribological properties of nanostructural DLC/WC coatings were measured with a high temperature pin-on-disc CSM Tribometer in the range from room temperature (RT) up to 500 degrees C. The tribological performance was evaluated with respect to the wear rates of balls and coatings, friction coefficient and wear debris analysis. The running-in phenomenon of steel ball sliding against DLC coating was studied by sequential in situ measurements of ball wear rate. The wear volume was almost constant from number of cycles of 1 500-5 000. This phenomenon was caused by lowering of contact pressure and could not be caused by changing of wear mode; the measured friction coefficient showed no fluctuation at 1 500 cycles. Friction and wear characteristics described in this study showed their limitations of DLC applicability.
引用
收藏
页码：S237 / S240
页数：4
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