MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Microstructure Evolution of Dual-Directional-Extruded Mg Alloy AZ31: An Experimental and Simulation Study
Liwei LuTianmo LiuYong ChenLiguang WangZhongchang Wang
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JOURNALS FREE ACCESS

2010 Volume 51 Issue 11 Pages 2088-2093

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Abstract

Combining the finite-element analytic technique with the microscopic observation, we have investigated microstructures and stress-strain distributions of the Mg alloys AZ31 processed by a new extrusion method, dual-directional extrusion. We have found that grains in the extruded alloys are refined significantly, which is attributed to the deformation-induced grain subdivision and dynamic recrystallization. Such well refined grains play a critical role in the enhancement of the long-standing poor mechanical properties of the relevant engineering Mg alloys AZ31.

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© 2010 The Japan Institute of Metals and Materials
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