Microstructure evolution and hardening behavior of 2024 aluminum alloy processed by the severe plastic deformation

被引：17
|
作者：
Kang, SB [1 ]
Lim, CY
Kim, HW
Mao, JF
机构：
[1] Korea Inst Machinery & Mat, Chang Won 641010, South Korea
[2] Harbin Inst Technol, Harbin 150001, Peoples R China
来源：
ALUMINUM ALLOYS 2002: THEIR PHYSICAL AND MECHANICAL PROPERTIES PTS 1-3 | 2002年 / 396-4卷
关键词：
equal channel angular pressing(ECAP); fine grain size; aluminum alloy;
D O I：
10.4028/www.scientific.net/MSF.396-402.1163
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructure evolution and hardening behavior under severe plastic deformation have been studied for a 2024 aluminum alloy heat treated at different conditions. Though solid solution state specimen shows lower value of micro Vickers hardness than the peak aged and higher value than the over aged, it exhibited the biggest deformation difficulties and brought immediately the largest strain hardening effects. Transmission electron microscope observation shows that grains were refined to around 0.2similar to0.35 mum after equal channel angular pressing. In this study, the heat treatment conditions are considered to get the optimum mechanical properties.
引用
收藏
页码：1163 / 1168
页数：6
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