The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Plasma-Cladded CoCrFeNiMn Coatings on Compacted Graphite Iron-Reference-Cited by-同舟云学术

The Effect of Heat Treatment on the Microstructure and Mechanical Properties of Plasma-Cladded CoCrFeNiMn Coatings on Compacted Graphite Iron

Published:2024-03-22 Issue:4 Volume:14 Page:374
ISSN:2079-6412
Container-title:Coatings
language:en
Short-container-title:Coatings

Author:

Zhang Bo¹,Fu Ruitao¹,Gao Peihu¹²^ORCID,Chen Baiyang¹,Naumov Anton³^ORCID,Li Fei¹,Zhao Daming¹,Yang Zhong¹²,Guo Yongchun¹²,Li Jianping¹²,Cheng Lei⁴,Gong Jinyuan⁴,Liu Jiawei⁴,Li Yu⁴

Affiliation:

1. School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an 710021, China

2. Shaanxi Province Engineering Research Centre of Aluminum/Magnesium Light Alloy and Composites, Xi’an 710021, China

3. Lightweight Materials and Structures Laboratory, Institute of Mechanical Engineering, Materials and Transport, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia

4. Shaanxi North Dynamic Co., Ltd., Baoji 721300, China

Abstract

CoCrFeNiMn high-entropy alloy coatings were deposited on compacted graphite iron (CGI) by plasma transfer arc cladding to strengthen and improve the wear resistance (performance) of the surface. The effects of different heat treatment processes on the microstructure and mechanical properties of the CoCrFeNiMn coatings were investigated. Compared with the deposited coating, the single FCC phase in the heat-treated coatings was retained, the grain size of the columnar dendrites decreased, the spacing between the dendrites increased, and the Cr-rich precipitated phase in the grain boundary increased. The heat treatment process had a positive influence on the microhardness and wear resistance of the coatings. The microhardness of the coatings increased after heat treatment. After heat treatment at 660 °C for 90 min, the coating had the highest microhardness of 563 ± 6.9 HV0.2, and it had the best wear resistance.

Funder

National Natural Science Foundation of China

Foreign Experts Program of the Ministry of Science and Technology

Shaanxi Provincial Natural Science Foundation

Shaanxi Provincial Key Research and Development Project

Xi’an Science and Technology Plan Project

Publisher

MDPI AG

Link

https://www.mdpi.com/2079-6412/14/4/374/pdf

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