Preparation and Tribological Behavior of Ni-P-B4C Electroless Coatings

Ying Wang; Wan Chang Sun; Hui Cai; Qing Hao Yang; Jumei Zhang

doi:10.4028/www.scientific.net/MSF.809-810.615

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HomeMaterials Science ForumMaterials Science Forum Vols. 809-810Preparation and Tribological Behavior of Ni-P-B4C...

Preparation and Tribological Behavior of Ni-P-B₄C Electroless Coatings

Abstract:

In this research, micro-hardness and wear resistance of two types of electroless coatings were investigated including Ni-P and Ni-P-B₄C composite coatings. Dispersible B₄C particles and electroless Ni-P alloy were codeposited on carbon steel by electroless plating and then heat treated at 200, 400 and 600 °C for 1 h, respectively. The cross-section morphology and microstructure of the composite coatings were characterized. Meanwhile, the micro-hardness and tribological behavior of composite coatings were evaluated. The results showed that the Ni-P-B₄C composite coating presents better wear resistance in comparison with that of Ni-P coating. The Ni-P-B₄C composite coating with heat treated at 400 °C exhibits high micro-hardness and good wear resistance, which the highest hardness is 1200 HV, the minimum wear weight loss is 0.12 mg and the lowest friction coefficient is 0.2054.

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2014 China Functional Materials Technology and Industry Forum

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Periodical:

Materials Science Forum (Volumes 809-810)

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615-620

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.809-810.615

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Online since:

December 2014

Authors:

Ying Wang, Wan Chang Sun*, Hui Cai, Qing Hao Yang, Jumei Zhang

Keywords:

Composite Coating, Electroless, Micro-Hardness, Wear

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