Effect of laser shock peening on abrasion and corrosion resistance of Zr-4 alloy

被引：0

作者：

Wang, Shengjie ^{[1
,2
]}

Zhang, Xinxing ^{[1
]}

Gong, Weijia ^{[3
]}

Li, Shilei ^{[1
]}

Wang, Yan-Dong ^{[1
,4
]}

机构：

[1] Univ Sci & Technol Beijing, Beijing Adv Innovat Ctr Mat Genome Engn, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Shunde Innovat Sch, Foshan 528000, Peoples R China

[3] Northwestern Polytech Univ, Inst Clean Energy, Yangtze River Delta Res Inst, Taicang 215400, Peoples R China

[4] Inst Mat Intelligent Technol, Liaoning Acad Mat, Shenyang 110004, Peoples R China

来源：

MATERIALS LETTERS | 2025年 / 389卷

基金：

中国国家自然科学基金;

关键词：

Zr-4; alloy; Laser shock peening; Abrasion resistance; Corrosion resistance; MICROSTRUCTURE;

D O I：

10.1016/j.matlet.2025.138347

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Zirconium alloys suffer from inadequate abrasion and corrosion resistance under harsh operating conditions, posing a significant challenge to reactor safety. The evolution of microstructure, microhardness, and abrasion and corrosion resistance of the Zr-4 alloy after LSP treatment with different laser pulse energies was investigated. In this study, a plastic deformation layer formed near the surface of LSP-treated Zr-4 alloys, and increasing laser pulse energy slightly raised surface roughness. The microhardness exhibited a typical gradient distribution relative to the distance from the surface. The Zr-4 alloy treated by LSP with a laser pulse energy of 6 J demonstrated better resistance to abrasion and electrochemical corrosion, which can be attributed to the appropriate plastic deformation layer and surface roughness.

引用

页数：4

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