PERFORMANCE OF FRICTION AND WEAR OF ELECTROSPARK DEPOSITED Ni-MoS2 SELF-LUBRICATING COATING

被引：0
|
作者：
Guo, C. [1 ,2 ]
Kong, F. [1 ]
Zhao, S. [3 ]
Yan, X. [4 ]
Yang, J. [1 ]
Zhang, J. [1 ]
机构：
[1] Shenyang Ligong Univ, Sch Equipment Engn, Shenyang 110159, Liaoning, Peoples R China
[2] Chongqing Jianshe Ind Grp LLC, Chongqing 400054, Peoples R China
[3] Shandong Special Ind Grp Co Ltd, Zibo 255201, Peoples R China
[4] North Huaan Ind Grp Co Ltd, Qiqihar 161046, Peoples R China
来源：
CHALCOGENIDE LETTERS | 2019年 / 16卷 / 07期
基金：
美国国家科学基金会;
关键词：
Self-lubricating coating; Electrospark deposition; Ni-MoS2; Friction and wear; TRIBOLOGICAL PROPERTIES; TITANIUM-ALLOY; MICROSTRUCTURE; RESISTANCE; OXIDATION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A Ni-MoS2 sintered composite was used as an electrode to prepare a coating on a CrNi3MoVA steel substrate by using electrospark deposition technique. The nanomechanical properties and friction and wear performance of the coating were tested by employing nanoindenter and friction and wear tester, and the morphologies, composition and phase structure were analyzed by utilizing scanning electron microscopy (SEM), energy dispersive X-ray spectrum (EDS) and X-ray diffraction(XRD). The results showed that the Ni-MoS2 coating is composed of MoS2, gamma-Ni, MoO2 and NOxS as the electrode reacted with the mixing O-2 in the ESD process. The coating exhibits excellent tribological properties for its friction coefficient reduced about 75% and its wear resistance increased about 77% in contrast to the CrNi3MoVA steel.
引用
收藏
页码：309 / 315
页数：7
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