Improved Post-Weld Heat Treatment for Argon TIG Welded Joint of a New Al – Zn – Mg – Cu Alloy


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Аннотация

An argon TIG welded joint of the Al – Zn –Mg – Cu alloy was studied. Based on the hardness and differential scanning calorimetry studies, a post-weld alloy heat treatment regimen has been proposed to ensure a welded joint strength of 622 MPa versus the strength of the base metal of 676 MPa. The post-weld heat treatment provides for a two-stage solid solution treatment (470°C, 90 min + 500°C, 20 min) and artificial aging at 120°C for 24 h.

Авторлар туралы

Liang Zhang

School of Materials Science and Engineering, Beijing University of Technology

Хат алмасуға жауапты Автор.
Email: zhangliang0202@163.com
ҚХР, Beijing

Xiaoyan Li

School of Materials Science and Engineering, Beijing University of Technology

Email: zhangliang0202@163.com
ҚХР, Beijing

Zuoren Nie

School of Materials Science and Engineering, Beijing University of Technology

Email: zhangliang0202@163.com
ҚХР, Beijing

Hui Huang

School of Materials Science and Engineering, Beijing University of Technology

Email: zhangliang0202@163.com
ҚХР, Beijing

Lanqiang Niu

School of Materials Science and Engineering, Beijing University of Technology

Email: zhangliang0202@163.com
ҚХР, Beijing

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