Residual Stress and Stress Corrosion of Alloy Materials in Laser Additive Manufacturing

被引：4

作者：

Zhang Xingshou ^{[1
]}

Wang Qinying ^{[1
]}

Zheng Huaibei ^{[2
,4
]}

Liu Tingyao ^{[4
]}

Dong Lijin ^{[1
]}

Xi Yuchen ^{[1
]}

Zhang Jin ^{[1
]}

Bai Shulin ^{[3
]}

机构：

[1] Southwest Petr Univ, Sch New Energy & Mat, Chengdu 610500, Sichuan, Peoples R China

[2] State Key Lab Met Mat Marine Equipment & Applicat, Anshan 114009, Liaoning, Peoples R China

[3] Peking Univ, Coll Engn, Beijing 100871, Peoples R China

[4] Chengdu Adv Met Mat Ind Technol Res Inst Corp, Chengdu 610303, Sichuan, Peoples R China

来源：

LASER & OPTOELECTRONICS PROGRESS | 2022年 / 59卷 / 13期

关键词：

laser technique; laser additive manufacturing; residual stress; stress testing; stress corrosion cracking; corrosion mechanism; POWDER; COATINGS; BEHAVIOR; CRACKING; STEEL;

D O I：

10.3788/LOP202259.1300002

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Laser additive manufacturing is widely used in the manufacturing and repairing of petrochemical, aerospace, and marine equipment. However, the residual stress caused by the rapid heating and cooling in the preparation of alloy materials via laser additive manufacturing likely poses a major risk of stress corrosion cracking of the material in harsh environments. This study first reviews the mechanism of residual stress in alloy materials produced via laser additive manufacturing. Second, the main measurement and elimination methods of residual stress in materials are summarized. In addition, the test methods and the mechanism of stress corrosion cracking in alloy materials caused by laser additive manufacturing are summarized. Finally, based on the research status of residual stress and stress corrosion cracking of alloy materials in laser additive manufacturing, the key problems that need to be solved in this field and future development trends are summarized.

引用

页数：10

共 75 条

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