An investigation on corrosion resistance of laser-cladded FeCoNiCrCu high-entropy alloy coatings based on different initial powder particle sizes

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成果类型：

期刊论文

作者：

Wang, Ying;Peng, Yuhua;He, Changzhe;Chen, Shuobin;Yu, Jian;...

通讯作者：

He, CZ;Zhang, M

作者机构：

[Yu, Jian; Hu, Zhigang; Wang, Ying; He, Changzhe; Yang, Junsheng; Nie, Cheng; Li, Bin; Chen, Shuobin] Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430023, Peoples R China.

[Peng, Yuhua] Artificial Intelligence Inst, Wuchang Inst Technol, Wuhan 430223, Peoples R China.

[Gong, Pan; Zhang, Mao; Zhang, M] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, 1037 Luoyu Rd, Wuhan 430074, Peoples R China.

通讯机构：

[Zhang, M ] H

[He, CZ ] W

Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430023, Peoples R China.

Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, 1037 Luoyu Rd, Wuhan 430074, Peoples R China.

语种：

英文

关键词：

Initial powder particle size;High-entropy alloy;Laser cladding;Corrosion mechanism

期刊：

Surface and Coatings Technology

ISSN：

0257-8972

年：

2025

卷：

503

页码：

132030

DOI：

10.1016/j.surfcoat.2025.132030

基金类别：

WHPU [2023Y35]; Hubei Provincial Natural Science Foundation Project [2024AFC011]; Wuhan Knowledge Innovation Dawn Special Plan Project [2023010201020454]; State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology [P2024-24]; National Natural Science Foundation of China [52371074]

机构署名：

本校为第一且通讯机构

院系归属：

机械工程学院

摘要：

This study comprehensively investigates the corrosion mechanism of laser-cladded FeCoNiCrCu high-entropy alloy (HEA) coatings fabricated with varying initial powder particle sizes in a 3.5 % NaCl solution. Subsequent to orthogonal experimental optimization, optimal laser cladding parameters were obtained to generate fine coatings with exceptional quality. It's noteworthy that finer initial powder particles possess higher specific surface energy, promoting the formation of coatings with fewer defects. Aside from that, steady increases in corrosion current density and decreases in corrosion pote...

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An investigation on corrosion resistance of laser-cladded FeCoNiCrCu high-entropy alloy coatings based on different initial powder particle sizes

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