2007•Heat treatment of metalsRequires access

Microstructure and Properties of Electro-brush Plating Nickel-base Al_2O_3 Composite Coating

Xiao‐Ping Zhou

Abstract

Nickel matrix composite coating with micron Al2O3 particles was prepared by electro-brush plating.The microstructure of the composite coating was studied.The microhardness and friction-wear characteristics were examined.The influence of Al2O3particles on the friction-wear characteristics of the composite coating was analyzed.The results show that the Ni matrix composite coatings with Al2O3 particles has higher microhardness and better wear resistance than high-speed nickel coatings.

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Key concepts: Materials science, Microstructure, Composite number, Indentation hardness, Plating (geology), Coating, Brush, Nickel