Evolution of sub-micron grain size and weak texture in magnesium alloy Mg-3Al-0.4Mn by a modified multi-axial forging process

被引：96
|
作者：
Biswas, Somjeet [1 ]
Suwas, Satyam [1 ]
机构：
[1] Indian Inst Sci, Dept Mat Engn, Bangalore 560012, Karnataka, India
来源：
SCRIPTA MATERIALIA | 2012年 / 66卷 / 02期
关键词：
Severe plastic deformation (SPD); Multi-axial forging (MAF); Electron backscattering diffraction (EBSD); Magnesium alloy; Texture; CHANNEL-ANGULAR EXTRUSION; ROOM-TEMPERATURE; NONBASAL SLIP; AZ31; DEFORMATION; SUPERPLASTICITY; ANISOTROPY; DUCTILITY; BEHAVIOR; METALS;
D O I：
10.1016/j.scriptamat.2011.10.008
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This is the first successful attempt to produce simultaneously ultrafine grain size and weak texture in a single-phase magnesium alloy Mg-3Al-0.4Mn through an optimal choice of processing parameters in a modified multi-axial forging (MAF) process. An average grain size of similar to 0.4 mu m and a weak texture could be achieved. This has led to an increase in the strength as well as room-temperature ductility (55%). The plot of the yield loci shows a decrease in anisotropy after MAF. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：89 / 92
页数：4
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