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HomeMaterials Science ForumMaterials Science Forum Vols. 838-839Superplasticity in a 5024 Aluminium Alloy...

Superplasticity in a 5024 Aluminium Alloy Subjected to ECAP and Subsequent Cold Rolling

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Abstract:

The superplastic behavior of an 5024 alloy, subjected to equal-channel angular pressing (ECAP) followed by extensive cold rolling (CR), was studied in the temperature range 250-500°C and at strain rates ranging from 10^–4 to 10^–1 s^–1. The maximum elongation-to failure of ~1440% with a corresponding strain rate sensitive coefficient m of ~0.42 was attained at 450°C and a strain rate of ~1.4×10^–1 s^–1. The relationship between superplastic properties and microstructure of the alloy was discussed.

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Periodical:

Materials Science Forum (Volumes 838-839)

Pages:

428-433

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.838-839.428

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Online since:

January 2016

Authors:

Anna Mogucheva*, Diana Yuzbekova, Rustam Kaibyshev

Keywords:

Aluminium Alloy, Cold Rolling, Equal-Channel Angular Pressing, Superplasticity

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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