Experimental Study on Tribological Properties of Graphite-MoS2 Coating on GCr15

被引：8
作者：
Meng, F. M. [1 ]
Cui, Z. T. [1 ]
Cheng, Z. T. [1 ]
Han, H. L. [1 ]
机构：
[1] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
来源：
JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME | 2018年 / 140卷 / 05期
关键词：
graphite-MoS2; coefficient of friction; wear scar width; GCr15; SLIDING WEAR BEHAVIOR; COMPOSITE COATINGS; SOLID LUBRICATION; PERFORMANCE; MICROSTRUCTURE; TEMPERATURE; FRICTION; COPPER; MOS2;
D O I：
10.1115/1.4039796
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The graphite-MoS2 coated on GCr15 bearing steel is prepared through air spraying and its tribological performances are investigated experimentally. Then its coefficient of friction (COF) and wear scar width (WSW) are investigated through the MFT-5000 multi-function tribometer and other test equipments. The experimental results show that the addition of the graphite can effectively decrease the COF and narrow the WSW of the MoS2. There exists a critical applied load for wearing out the surface with the graphite-MoS2 coating. Moreover, there exists an optimal rotational speed of 500 rpm to decrease the COF and WSW of the GCr15 steel.
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页数：10
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