Effect of dynamic precipitation and twinning on dynamic recrystallization of micro-alloyed Mg-Al-Ca alloys

被引：52
|
作者：
Su, Jing [1 ]
Kaboli, Shirin [1 ]
Kabir, Abu Syed Humaun [1 ]
Jung, In-Ho [1 ]
Yue, Steve [1 ]
机构：
[1] McGill Univ, Dept Min & Mat Engn, Montreal, PQ H3A 0C5, Canada
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2013年 / 587卷
关键词：
Mg-Al-Ca; Dynamic precipitation; Dynamic recrystallization; Hot compression; COMPRESSIVE DEFORMATION-BEHAVIOR; HIGH-TEMPERATURE DEFORMATION; MAGNESIUM ALLOY; MECHANICAL-PROPERTIES; MICROSTRUCTURE; ROOM; AZ31;
D O I：
10.1016/j.msea.2013.08.019
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Two micro-alloyed Mg-Al-Ca alloys were designed, using thermodynamic calculations, to form precipitates during hot deformation. Hot compression tests were carried out at temperature range from 300 degrees C to 450 degrees C at strain rates of 0.1 s(-1), 0.01 s(-1) and 0.001 s(-1). Precipitation behavior was analyzed by SEM with BSE and EDS detectors. Dynamic recrystallization and twinning were characterized by optical microscopy. It appears that dynamic precipitation retarded dynamic recrystallization. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：27 / 35
页数：9
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