High strain rate superplasticity in a high strength PM2024Al-3Fe-5Ni alloy

被引：0
|
作者：
Matsuki, K [1 ]
Tokizawa, M [1 ]
Yokote, T [1 ]
Murakami, S [1 ]
机构：
[1] Toyama Univ, Dept Mech Syst Engn, Toyama 930, Japan
来源：
THERMEC '97 - INTERNATIONAL CONFERENCE ON THERMOMECHANICAL PROCESSING OF STEELS AND OTHER MATERIALS, VOLS I-II | 1997年
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D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
PM 2024Al-3Fe-5Ni alloy has been fabricated by an air atomization technique followed by extrusion at 623 K and warm rolling at 523 K. After the warm rolling, this alloy exhibited ultrafine grained structure. Strain rate sensitivity indexes, m, larger than 0.3 and superplastic elongations higher than 250% were observed in the fine grained alloy at the strain rates higher than 2x10(-1) s(-1) and at the temperature of about 773 K, which is very close to the solidus temperature of this matrix alloy.
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页码：1891 / 1897
页数：7
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