Superplasticity in a 5024 Aluminium Alloy Processed by Severe Plastic Deformation

被引：6
|
作者：
Mogucheva, Anna [1 ]
Tagirova, Diana [1 ]
Kaibyshev, Rustam [1 ]
机构：
[1] Belgorod State Univ, Belgorod 308015, Russia
来源：
SUPERPLASTICITY IN ADVANCED MATERIALS | 2013年 / 735卷
关键词：
superplasticity; equal channel angular pressing; ultrafine grained structure; aluminium alloy; LOW-TEMPERATURE SUPERPLASTICITY; STRAIN RATE SUPERPLASTICITY; MG-SC ALLOYS; ZR ALLOY; EVOLUTION; BEHAVIOR; RATES;
D O I：
10.4028/www.scientific.net/MSF.735.353
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The superplastic behaviour of an Al-4.6%Mg-0.35%Mn-0.2%Sc-0.09%Zr alloy was studied in the temperature range 250-500 degrees C at strain rates ranging from 10(-4) to 10(-1) s(-1). The AA5024 was subjected to equal channel angular pressing (ECAP) at 300 degrees C up to epsilon similar to 12. The highest elongation-to-failure of similar to 3300% was attained at a temperature of 450 degrees C and an initial strain rate of 5.6x10(-1) s(-1). Regularities of superplastic behaviour of the 5024 aluminium alloy are discussed.
引用
收藏
页码：353 / 358
页数：6
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