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Microstructure and properties of composite coatings by laser cladding Inconel 625 and reinforced WC particles on non-magnetic steel by Kai Zhang; Huaicheng Ju; Fei Xing; Wei Wang; Qiang Li; Xingfu Yu; Weijun Liu is a Engineering article available to read on EtoBox.

What is Microstructure and properties of composite coatings by laser cladding Inconel 625 and reinforced WC particles on non-magnetic steel about?

Due to the extremely complex and strict service conditions of non-magnetic drill collars, the friction, wear and corrosion will lead to their damage and failure. Therefore, the surface modification technology can be used to substantially improve the surface performance and effectively extend the service life of non-magnetic drill collars. Under this engineering background, the laser cladding technology was employed to fabricate pure Inconel 625 and Inconel 625/WC coatings on the surface of TWZ-2 non-magnetic steel substrate, and the influences of WC content on the microstructure, phase composition, element distribution, microhardness and wear and corrosion resistance of these coatings were analyzed. The experimental results show that the microstructures of pure Inconel 625 and Inconel 625/WC coatings are all composed of planar grain, cellular grain, columnar grain and equiaxed grain successively. The phases of pure Inconel 625 coating are composed of γ-Ni phase and Laves phase. With WC particles mixed into Inconel 625 powder, various carbide phases appear in the composite coatings. The higher the WC content, the more the precipitated carbides formed by the reaction, thus aggravatin

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Author

Kai Zhang; Huaicheng Ju; Fei Xing; Wei Wang; Qiang Li; Xingfu Yu; Weijun Liu

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)