Original scientific paper

Effect of CeO₂ addition on hardness of induction heated Ni-WC composite coatings

Z. Zhang ; Applied Technology College, University of Science and Technology of Liaoning, Anshan City, China
L. Miao ; Applied Technology College, University of Science and Technology of Liaoning, Anshan City, China
S. Y. Cui ; Applied Technology College, University of Science and Technology of Liaoning, Anshan City, China
N. Jiang ; Applied Technology College, University of Science and Technology of Liaoning, Anshan City, China
H. Xu ; Applied Technology College, University of Science and Technology of Liaoning, Anshan City, China

Abstract

Getting Ni-WC composite coatings with different rare earth CeO₂ additions on the substrate of 45 steel by induction heating; testing the surface hardness and cross-section microhardness of the coatings with Rockwell hardness tester and microhardness tester; meanwhile analyzing the microstructure and WC morphology of the coatings by scanning electron microscopy (SEM), in order to find the best amount of CeO₂ in the coatings. The results show that the 0,5 / % content of CeO₂ helps to improve the interfusion bonding between the coating and the substrate, and to refine the grain size, homogenize the composition and increase the hardness of the coating.

Keywords

steel; induction heating; CeO₂ content; hardness; microstructure

Hrčak ID:

290069

URI

https://hrcak.srce.hr/290069

Publication date:

3.4.2023.

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