Structure and properties of ultra-fine grained aluminium alloys produced by severe plastic deformation

被引：94

作者：

Markushev, MV ^{[1
]}

Bampton, CC ^{[1
]}

Murashkin, MY ^{[1
]}

Hardwick, DA ^{[1
]}

机构：

[1] ROCKWELL INT SCI CTR,THOUSAND OAKS,CA 91358

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1997年 / 234卷

关键词：

aluminium alloys; ultra-fine grained structure; severe plastic deformation; properties;

D O I：

10.1016/S0921-5093(97)00333-X

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Methods of imparting ultra-fine grained (UFG) structure to conventional aluminium alloys by thermomechanical treatment, including severe plastic deformation, are analysed. The effect of initial structure parameters, such as grain size and precipitates of secondary phases, on UFG structure formation is discussed in terms of physical mechanisms. Ambient temperature mechanical behavior of UFG alloys produced by several methods is reported. The effect of grain refinement on static strength and toughness is more pronounced in non-heat treatable alloys. Evolution of UFG structure during post-deformation heat treatment and superplastic behavior of UFG alloys is shown. (C) 1997 Elsevier Science S.A.

引用

页码：927 / 931

页数：5

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