Effect of magnetic field on tribological properties of Co-based alloy layer produced by laser cladding on 42CrMo

被引：26
|
作者：
Qi, Kang [1 ]
Yang, Yong [1 ,2 ]
Sun, Rui [1 ]
Hu, Guofang [1 ]
Lu, Xin [1 ]
Li, Jindong [1 ]
机构：
[1] Qingdao Univ Technol, Sch Mech & Automot Engn, Qingdao 266520, Peoples R China
[2] Qingdao Univ Technol, Key Lab Ind Fluid Energy Conservat & Pollut Contr, Minist Educ, Qingdao 266520, Peoples R China
来源：
MATERIALS LETTERS | 2021年 / 282卷
关键词：
Microstructure; Wear and tribology; Magnetostriction; Elastic properties; COMPOSITE COATINGS; MICROSTRUCTURE;
D O I：
10.1016/j.matlet.2020.128893
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Co-based laser cladding layer was prepared on the 42CrMo substrate. The magnetic field was applied during the laser cladding process. Magnetic field-assisted laser cladding results in a finer microstructure, which increases the microhardness of the cladding layer and affects the elastic modulus of the material due to magnetostriction. The results show that the cladding material experienced a magnetostrictive effect in the 20 mT-60 mT magnetic field in the laser cladding process, which affects the friction and wears properties. In this study, the highest value of the magnetostriction was produced at 20 mT magnetic field, which was the most effective in reducing wear. (C) 2020 Elsevier B.V. All rights reserved.
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页数：4
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