Features of residual stresses in duplex stainless steel butt welds

被引：1

作者：

Um, Tae-Hwan ^{[1
]}

Lee, Chin-Hyung ^{[2
]}

Chang, Kyong-Ho ^{[3
]}

Vuong Nguyen Van Do ^{[4
]}

机构：

[1] Chung Ang Univ, Dept Civil Engn, 84 Huksuk Ro, Seoul 06974, South Korea

[2] Chung Ang Univ, Grad Sch Construct Engn, 84 Huksuk Ro, Seoul 06974, South Korea

[3] Chung Ang Univ, Dept Civil & Environm & Plant Engn, 84 Huksuk Ro, Seoul 06974, South Korea

[4] Ton Duc Thang Univ, Fac Civil Engn, Ho Chi Minh City, Vietnam

来源：

2ND INTERNATIONAL CONFERENCE ON SUSTAINABLE DEVELOPMENT IN CIVIL, URBAN AND TRANSPORTATION ENGINEERING (CUTE 2018) | 2018年 / 143卷

基金：

新加坡国家研究基金会;

关键词：

D O I：

10.1088/1755-1315/143/1/012030

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Duplex stainless steel finds increasing use as an alternative to austenitic stainless steel, particularly where chloride or sulphide stress corrosion cracking is of primary concern, due to the excellent combination of strength and corrosion resistance. During welding, duplex stainless steel does not create the same magnitude or distribution of weld-induced residual stresses as those in welded austenitic stainless steel due to the different physical and mechanical properties between them. In this work, an experimental study on the residual stresses in butt-welded duplex stainless steel is performed utilizing the layering technique to investigate the characteristics of residual stresses in the weldment. Three-dimensional thermos-mechanical-metallurgical finite element analysis is also performed to confirm the residual stress measurements.

引用

页数：9

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