Elimination of elemental segregation by high-speed laser remelting for ultra-high-speed laser cladding Inconel 625 coatings

被引：26

作者：

Ding, Yuhang ^{[1
]}

Gui, Wanyuan ^{[1
]}

Nie, Baoxian ^{[1
]}

Bi, Wenya ^{[1
]}

Zhong, Cheng ^{[1
]}

Xue, Yanpeng ^{[1
]}

Luan, Benli ^{[1
,2
]}

机构：

[1] Univ Sci & Technol Beijing, Natl Ctr Mat Serv Safety, Beijing 100083, Peoples R China

[2] Western Univ, Dept Chem, London, ON N6A 5B7, Canada

来源：

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2023年 / 24卷

关键词：

Laser cladding; Laser remelting; Inconel; 625; alloy; Wear resistance; Finite element method; MICROSTRUCTURAL EVOLUTION; MECHANICAL-PROPERTIES; BEHAVIOR; STEEL; WEAR; RESISTANCE; ENERGY;

D O I：

10.1016/j.jmrt.2023.04.028

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ultra-high-speed laser cladding (UHSLC) is an effective way to deposit Inconel 625 coatings on 27SiMn steel to prolong its service life. However, elemental segregation in the Inconel 625 coatings is serious and high-speed laser remelting (HSLR) was investigated in order to tackle the issue. The HSLR treatment was also found to reduce the surface roughness of UHSLC Inconel 625 laser cladding significantly, while enhancing their wear resistance. Furthermore, finite element simulation suggests that a higher remelting power may result in a better melt pool fluidity and a more uniform composition distribution.& COPY; 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

引用

页码：4118 / 4129

页数：12

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