Strain hardening regimes and microstructure evolution during large strain compression of high purity titanium

被引:140
作者
Salem, AA [1 ]
Kalidindi, SR [1 ]
Doherty, RD [1 ]
机构
[1] Drexel Univ, Dept Mat Engn, Philadelphia, PA 19104 USA
基金
美国国家科学基金会;
关键词
titanium; deformation twinning; strain hardening; microstructure;
D O I
10.1016/S1359-6462(02)00005-2
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The sudden increase of strain hardening rates seen after small strains in titanium, was shown to correlate with the onset of deformation twinning. This result appears to match quantitatively with Hall-Petch grain size strengthening. The new twin boundaries appear to reduce the effective grain size. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:419 / 423
页数:5
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