Dynamic recrystallization and superplastic deformation of Co3Ti

被引:10
作者
Takasugi, T [1 ]
Watanabe, Y [1 ]
Inoue, H [1 ]
机构
[1] Univ Osaka Prefecture, Dept Met & Sci Mat, Coll Engn, Sakai, Osaka 5998531, Japan
关键词
intermetallic alloys; Co3Ti; dynamic recrystallization; superplasticity;
D O I
10.1016/S1359-6462(00)00447-4
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A new method was derived to obtain superplastic elongation in a single-phase L12-type Co3Ti ordered intermetallics. In a first stage of deformation, prior microstructure with large grains is changed to microstructure with DR small grains. In the second stage of deformation, efficient grain-boundary sliding takes place, resulting in a large superplastic elongation and a low flow stress.
引用
收藏
页码:485 / 490
页数:6
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