VERY HIGH-STRAIN RATE SUPERPLASTICITY IN A MECHANICALLY ALLOYED IN9052 ALUMINUM-ALLOY

被引:24
作者
HIGASHI, K
OKADA, T
MUKAI, T
TANIMURA, S
机构
[1] College of Engineering, Department of Mechanical Engineering, University of Osaka Prefecture, Sakai, Osaka, 593, Gakuen-cho
来源
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1992年 / 159卷 / 01期
关键词
D O I
10.1016/0921-5093(92)90407-R
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A mechanically alloyed IN9052 aluminum alloy with an ultra-fine grained structure is characterized at three temperatures of 773, 848 and 863 K and over a strain rate range from 1 X 10(-3) to 100 s-1. The maximum elongation of 330% was obtained at an extremely high strain rate of 10 s-1 at 863 K. In the high strain rate range, where superplasticity was found, a relatively high strain rate sensitivity of more than 0.3 (n = 3) was obtained.
引用
收藏
页码:L1 / L4
页数:4
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