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The Effect of Dislocation Slip on Superplastic Behavior of AZ31 Magnesium Alloy

This thesis describes the effect of dislocation slip on superplastic deformation of AZ31 magnesium alloy. Through two different routes of ECAE (equal channel angular extrusion), two types of specimens having the same grain size but different texture were obtained. One is favorable for basal slip and the other is not.
Under the same condition of deformation, the strain rate sensitivity and contribution of grain boundary sliding to total elongation in these two different specimens are almost the same. As for elongation, not much difference was found. The present results demonstrate that the relationship between dislocation slip and grain boundary sliding in superplastic AZ31 magnesium alloy is non-obvious.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0713111-163012
Date13 July 2011
CreatorsChen, Kuan-Lun
ContributorsPo-we Kao, Liu-wen Chang, Chih-Pu Chang
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0713111-163012
Rightsnot_available, Copyright information available at source archive

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