The strengthening mechanism of deformed and aged Al-Cu-Mg alloy

被引：0
|
作者：
Quan Liwei [1 ]
Fang Daran [1 ]
Wang Yingling [1 ]
机构：
[1] Northeastern Univ, Sch Met & Mat, Shenyang 110819, Peoples R China
来源：
OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS | 2014年 / 8卷 / 5-6期
关键词：
Strengthening mechanism; S phase; Work hardening effect; GPB zones; Aluminum alloy; WORK-HARDENING BEHAVIOR; ALUMINUM-ALLOY; COLD WORK; PRECIPITATION; AL-CU-MG-(AG); NUCLEATION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructure and mechanical properties of deformed and subsequently aged Al-Cu-Mg alloy were investigated by employing transmission electron microscopy and hardness test. It was found that when the deformed alloy with 5%-strain was aged to peak temper, the strengthening mechanism was ascribed to the small dispersed S phases, which was different from the GPB zone as strengthening particle in conventional ageing. Besides, the main strengthening mechanism in the initial ageing stage was work hardening effect due to quantities of dislocation.
引用
收藏
页码：540 / 544
页数：5
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