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
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2003年 / 359卷 / 1-2期
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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