journal article·2024-09-27Open access

Friction and wear performance of electrospark deposited Ni/C-MoS2 self-lubricating coating

School of Equipment Engineering, Shenyang Ligong University, Shenyang 110159, China, F. L. Kong, L. Zhang, North Huaan Industry Group Co. Ltd, Qiqihaer 161046, China, W. J. Zhao, Liaoshen lndusteries Croup Co. Ltd, Shenyang 110045, China, D. S. Zheng, Norinco Group Air Ammunition Research Institute Co.,Ltd., Haerbin 15001, China, T. J. Sui, Norinco Group Air Ammunition Research Institute Co.,Ltd., Haerbin 15001, China, G. L. Zhu, School of Equipment Engineering, Shenyang Ligong University, Shenyang 110159, China, C. A. Guo, School of Equipment Engineering, Shenyang Ligong University, Shenyang 110159, China

Chalcogenide Letters· Volume 21· Issue 8

Abstract

A Ni/C-MoS2 coating was electrospark deposited by using an electrode made of sinered Ni-C-MoS2 composite on a CrNi3MoVA steel substrate, and its nano-mechanical properties and tribological properties were obtained by utilizing nano-indenter and friction-abrasion testing machine. The results showed that the phase constitution of the as-deposited Ni/C-MoS2 coating mainly includes graphite, MoS2, γ-Ni, MoO2, NixS and MoC. Compared with the CrNi3MoVA steel and Ni/MoS2 coating, the Ni/C-MoS2 coating exhibits better tribological properties due to the matrix strengthened by MoO2 and MoC, and the synergistic lubrication effect of graphite and MoS2 in the Ni/C-MoS2 coating.
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Research context

OpenAlex topics: Metal and Thin Film Mechanics · Advanced materials and composites · Surface Treatment and Coatings

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