JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
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Stress and Strain Behaviors of Mg Alloy AZ31 in Plane Strain Compression
Ikuo YARITATakashi NAOITsuyoshi HASHIZUME
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2005 Volume 48 Issue 4 Pages 299-304

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Abstract

Most of magnesium alloy products are manufactured by die casting or thixo-molding processes. However, there is extremely little use of the products by metal forming due to high resisting plastic deformation in normal temperature and their expensive cost. In this study, to make clear the plastic deformability, stress and strain behaviors of Mg alloy AZ31 hot rolled sheet in plane strain compression in the temperature from 20°C to 250°C have been discussed. Tension test and plane strain compression test have been performed to obtain the equivalent stress and equivalent plastic strain relations. The plane strain compression tests with some lubricants have been performed, and the effect of friction between die and deforming material on plastic deformation behaviors has been investigated by the elastic-plastic finite element analysis. Optical microstructures of deformed materials are also observed.

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© 2005 by The Japan Society of Mechanical Engineers
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