Nanomolybdenum disulfide additive improves the tribological behavior of cobalt removal polycrystalline diamond compact

被引：19
|
作者：
Gou, Ruyi [1 ]
Chen, Jingjing [1 ]
Luo, Xun [1 ]
机构：
[1] Southwest Petr Univ, Sch Mechatron Engn, Chengdu 610500, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2022年 / 176卷
关键词：
Cobalt removal PDC; Friction chemical reaction; Wear; Nano-MoS2; MOS2; PARTICLES; DIFFERENT MORPHOLOGIES; LUBRICANT ADDITIVES; ENGINE OIL; WEAR; FRICTION; GRAPHENE; MECHANISMS; NANOTUBES; SURFACE;
D O I：
10.1016/j.triboint.2022.107896
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
To better understand the properties of cobalt removal polycrystalline diamond compact (PDC), we studied the tribological behavior and wear mechanism of cobalt removal PDC under dry friction, PAO6 lubrication and PAO6 lubrication with MoS2 states. The friction and wear behavior, microstructural evolution and chemical reaction were analyzed by using Raman, SEM, XPS. The experimental results showed friction coefficient high and serious wear under dry friction. Under PAO6 with nano-MoS2 lubrication, MoS2 improved the friction reduction and wear resistance of PAO6. The cobalt removal PDC had a relatively low friction coefficient and wear rate, and no graphitization phenomenon was observed. In the grinding process, chemical reactions occurred and formed a friction film, and the wear surface was relatively smooth.
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页数：10
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