Self-lubricating Ni-P-MoS2 composite coatings

Y. He; S.C. Wang; F.C. Walsh; Y.-L. Chiu; P.A.S. Reed

doi:10.1016/j.surfcoat.2016.09.078

Self-lubricating Ni-P-MoS₂ composite coatings

Y. He, S.C. Wang, F.C. Walsh, Y.-L. Chiu, P.A.S. Reed

Research output: Contribution to journal › Article › peer-review

67 Citations (Scopus)

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Abstract

Tribological coatings with low coefficients of friction are in high demand by various industries since they can improve machine efficiency and have an environmental impact. A self-lubricating Ni-P-MoS2 composite coating has been successfully deposited on a mild steel substrate by electrodeposition. The effects of MoS2 on the tribological coatings have been investigated. Compared to a pure Ni-P coating, the Ni-P-MoS2 composite coating exhibited a dramatic reduction in friction coefficient against a bearing steel ball from 0.45 to 0.05. Examination and analysis of the worn surfaces and wear debris, the composite coating showed minimum wear and oxidation compared to the severe wear and oxidation observed in the pure Ni-P coating. The evolution of MoS2 particles in sliding wear has been elucidated.

Original language	English
Pages (from-to)	926-934
Journal	Surface and Coatings Technology
Volume	307
Issue number	Part A
Early online date	3 Oct 2016
DOIs	https://doi.org/10.1016/j.surfcoat.2016.09.078
Publication status	Published - 15 Dec 2016

Keywords

Self-lubrication
Electrodeposition
MoS2
Ni-P
Tribofilm

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Wang_et_al_Self_lubricating_Surface_&_Coatings_Technology_2016Accepted author manuscript, 3.5 MBLicence: Creative Commons: Attribution-NonCommercial-NoDerivs (CC BY-NC-ND)

Cite this

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title = "Self-lubricating Ni-P-MoS2 composite coatings",

abstract = "Tribological coatings with low coefficients of friction are in high demand by various industries since they can improve machine efficiency and have an environmental impact. A self-lubricating Ni-P-MoS2 composite coating has been successfully deposited on a mild steel substrate by electrodeposition. The effects of MoS2 on the tribological coatings have been investigated. Compared to a pure Ni-P coating, the Ni-P-MoS2 composite coating exhibited a dramatic reduction in friction coefficient against a bearing steel ball from 0.45 to 0.05. Examination and analysis of the worn surfaces and wear debris, the composite coating showed minimum wear and oxidation compared to the severe wear and oxidation observed in the pure Ni-P coating. The evolution of MoS2 particles in sliding wear has been elucidated.",

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AU - He, Y.

AU - Wang, S.C.

AU - Walsh, F.C.

AU - Chiu, Y.-L.

AU - Reed, P.A.S.

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