Impact of intermediate aging on the evolution of microstructure and intermetallics in thermomechanically processed Al-Cu-Mg alloy

被引：3
|
作者：
Pouraliakbar, Hesam [1 ]
Ghorbanzadeh, Zahra [2 ]
Fallah, Vahid [1 ]
Monazzah, Asal Hosseini [2 ]
机构：
[1] Queens Univ, Dept Mech & Mat Engn, Azar Adv Mfg Lab AAML, Kingston, ON K7L 3N6, Canada
[2] Shahid Beheshti Univ, Fac Mech & Energy Engn, Dept Mat & Met, Tehran, Iran
来源：
MATERIALS LETTERS | 2024年 / 355卷
关键词：
Al-Cu-Mg alloy; Thermomechanical processing; Microstructure evolution; Aging; Heat treatment; Intermetallic compound;
D O I：
10.1016/j.matlet.2023.135548
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Various thermomechanical processing routes were applied to Al-Cu-Mg alloy to investigate the evolution of microstructure and intermetallics. The microstructure characterization primarily revealed Cu-rich (Al7Cu2(Fe, Mn)) and Fe,Mn-rich (AlCuMnFeSi) compounds. The analysis indicated that the processing significantly transformed the Cu-rich particles. The trend of changes in volume fraction demonstrated that intermediate aging effectively suppressed the nucleation of particles and retained the solutes within the aluminum. It is suggested that the transformation kinetics of intermetallics were substantially affected by the formation of particles during aging acting as diffusion barriers.
引用
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页数：6
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