Structure and mechanical properties of aluminum alloy 6061 subjected to equal-channel angular pressing in parallel channels

被引：0
|
作者：
M. Yu. Murashkin
E. V. Bobruk
A. R. Kil’mametov
R. Z. Valiev
机构：
[1] Ufa State Aviation Technical University (UGATU),Institute of Physics of Advanced Materials
来源：
The Physics of Metals and Metallography | 2009年 / 108卷
关键词：
62.20.-x; 81.40.Lm;
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学科分类号：
摘要：
It is shown that a uniform ultrafine-grained structure in alloy 6061 can be formed already after four cycles of treatment by equal-channel angular pressing in parallel channels (ECAP-PC). Along with grain refinement, in the process of an ECAP-PC treatment there occurs in the alloy a dynamic strain aging, which results in the formation of nanodimensional particles of a strengthening phase Mg2Si. It has been established that the alloy in the UFG state demonstrates a considerably higher level of strength and better plasticity in comparison with the material after a standard strengthening treatment.
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页码：415 / 423
页数：8
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