Effect of extrusion deformation on microstructures and properties of AZ31 magnesium alloy

来源期刊：中国有色金属学报(英文版)2005年第z2期

论文作者：王晓林 于洋 王尔德

文章页码：183 - 186

Key words：AZ31 magnesium alloy； extrusion； microstructure； property

Abstract: The AZ31 material was selected for axisymmetric extrusion tests. After normal hot extrusion, the plasticity of magnesium alloy will be improved, but not noticeably. Further extrusion with extrusion ratio of 6.25 was adopted to commercial AZ31 magnesium alloy rods at different temperatures in order to research the effects of the different extrusion techniques on the elongation. And the correspondence between ductility and crystallite size was studied at the same time. Through experiments, it is proved that the plasticity of AZ31 magnesium alloy reduces with the increase of extrusion temperature. In order to insure the formability, the deformation temperature must reduce as low as it can be.