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The Effect of Strain Rate History on the Dynamic Grain Growth Behaviour of AA 5083

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Abstract:

Dynamic grain growth in superplastic AA5083 deformed at constant strain rates and varying strain rates has been studied. It has been found that the strain rate history has a significant influence on the grain growth behaviour. It is proposed that differences in mechanical behaviour of AA5083 for the strain rate conditions examined can be attributed to differences in the grain growth behaviour. The influence of dynamic grain growth on the superplastic behaviour of AA5083 is discussed.

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Periodical:

Materials Science Forum (Volumes 551-552)

Pages:

627-632

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.551-552.627

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Online since:

July 2007

Authors:

B. Zhang, Pete S. Bate, Norman Ridley

Keywords:

Aluminium Alloy, Dynamic Grain Growth, Strain Rate History

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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