Effect of post-welding aging on the microstructure and mechanical properties of high-strength Al-6.7Zn-1.8Mg-0.2Cu aluminum alloy joints prepared by friction stir welding

Effect of post-welding aging on the microstructure and mechanical properties of high-strength Al-6.7Zn-1.8Mg-0.2Cu aluminum alloy joints prepared by friction stir welding

Friction stir welding (FSW) is used to weld Al-6.7Zn-1.8Mg-0.2Cu aluminum alloy sheet with 3.2 mm thickness, and the welded joint is subjected to post-welding aging heat treatment, and that is artificial ageing (AA) 120 ℃ × 24 h. The welded and aged joints are studied by scanning electron microscopy...

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Bibliographic Details
Main Authors: Shasha HU, Cheng QIU, Datong ZHANG
Format: Article
Language:zho
Published: Editorial Office of Transactions of the China Welding Institution, Welding Journals Publishing House 2025-01-01
Series:Hanjie xuebao
Subjects:
friction stir welding
al-6.7zn-1.8mg-0.2cu aluminum alloy
post-welding heat treatment
microstructure
mechanical property
Online Access:https://doi.org/10.12073/j.hjxb.20231029001
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