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Effects of hot extrusion and annealing treatment on microstructures, properties and texture of AZ31 Mg alloy
引用本文:张慧 闫蕴琪 翁文凭 钟皓 陈琦. Effects of hot extrusion and annealing treatment on microstructures, properties and texture of AZ31 Mg alloy[J]. 中国有色金属学会会刊, 2006, 16(A03): 1732-1735
作者姓名:张慧 闫蕴琪 翁文凭 钟皓 陈琦
作者单位:Suzhou Institute for Non-ferrous Metals Processing Technology, Suzhou 215021, China
基金项目:Foundation item: Project(2005KJA13) supported by the Aluminium Corporation of China Limited S&T Foundation
摘    要:Effects of extrusion deformation and heat treatment on microstructures, mechanical properties and texture of AZ31 Mg alloy were investigated. The results show that the microstructuses of as-cast AZ31 alloy are markedly refined aider hot extruding, the average grain size is about 25 μm and strong fiber texture (10 1 0) exists in the extruded AZ31 alloy. The mechanical properties are improved obviously. The grain size is somewhat inhomogeneous and strip structure emerges along the extrusion direction due to incomplete dynamic recrystallization during the extrusion process. With increasing annealing temperature, the small grain grows up and turns into equiaxed grain, and the texture is weakened with the visible growing up of grains.

关 键 词:热挤压 镁合金 微观结构 物理属性 金属加工
收稿时间:2006-07-28
修稿时间:2006-09-15

Effects of hot extrusion and annealing treatment on microstructures, properties and texture of AZ31 Mg alloy
ZHANG Hui, YAN Yun-qi, WENG Wen-ping, ZHONG Hao, CHEN Qi. Effects of hot extrusion and annealing treatment on microstructures, properties and texture of AZ31 Mg alloy[J]. Transactions of Nonferrous Metals Society of China, 2006, 16(A03): 1732-1735
Authors:ZHANG Hui   YAN Yun-qi   WENG Wen-ping   ZHONG Hao   CHEN Qi
Abstract:
Keywords:AZ31 alloy   Mg alloy   texture   mechanical properties   hot extrusion
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