Open Access

ARTICLE

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

F. L. Kong^a,b, L. Zhang^c, W. J. Zhao^d, D. S. Zheng^b, T. J. Sui^b, G. L. Zhu^a, C. A. Guo^a,*

a School of Equipment Engineering, Shenyang Ligong University, Shenyang 110159, China
b Norinco Group Air Ammunition Research Institute Co.,Ltd., Haerbin 15001, China
c North Huaan Industry Group Co. Ltd, Qiqihaer 161046, China
d Liaoshen lndusteries Croup Co. Ltd, Shenyang 110045, China

* Corresponding Author:

Chalcogenide Letters 2024, 21(8), 665-674. https://doi.org/10.15251/CL.2024.218.665

Received 03 June 2024; Accepted 28 August 2024;

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.

---

Keywords

---