High strain rate superplasticity in a commercial 2024 Al alloy via friction stir processing

被引:198
|
作者
Charit, I
Mishra, RS
机构
[1] Univ Missouri, Ctr Frict Stir Proc, Rolla, MO 65409 USA
[2] Univ Missouri, Dept Met Engn, Rolla, MO 65409 USA
关键词
friction stir processing; 2024; aluminum; superplasticity;
D O I
10.1016/S0921-5093(03)00367-8
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A novel technique for producing high-strain-rate-superplastic (HSRS) microstructure via friction stir processing (FSP) in a commercial 2024 Al has been demonstrated. A maximum ductility of similar to 525% has been achieved at a strain rate of 10(-2) s(-1) and 430 degreesC. Current results suggest that friction stir processing can be developed as a simple yet effective technique for producing microstructure amenable for superplasticity at high strain rates and/or lower temperatures and at lower flow stresses. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:290 / 296
页数:7
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