The influence of severe plastic deformation on the mechanical properties of AA6111

被引：0
|
作者：
KiHo Rhee
Rimma Lapovok
Peter F. Thoms
机构：
[1] Monash University,the Cooperative Research Centre for Cast Metals Manufacturing, School of Physics and Materials Engineering
来源：
JOM | 2005年 / 57卷
关键词：
Severe Plastic Deformation; Equal Channel Angular Pressing; Uniform Elongation; Oxide Dispersion Strengthen; Rolled Sample;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The alloy AA6111 has been chosen in many countries for automotive outerbody panels, but low ductility remains a major obstacle to competition with steel. Equal channel angular extrusion (ECAE) was used as a tool to produce fine-grained structures with enhanced ductility. Conventional grain sizes in the range of 9 µm to 50 µm were used to investigate the influence of severe plastic deformation (SPD) and heat treatment on mechanical properties of AA6111 sheet at room temperature. It has been found that SPD by ECAE followed by heat treatment leads to an increase in both strength and ductility, in addition to highr-value. The increase in mechanical properties was also significantly influenced by heat-treatment temperature at the final stage of sheet processing.
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页码：62 / 66
页数：4
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