Effects of aging treatment on microstructure and mechanical property of an AZ80N magnesium alloy

被引：15
|
作者：
Wang, P. C. [1 ]
Lin, M. C. [1 ]
Lin, H. C. [1 ]
Lin, K. M. [2 ]
Yeh, M. T. [3 ]
Lin, C. Y. [4 ]
机构：
[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 10764, Taiwan
[2] Feng Chia Univ, Dept Mat Sci & Engn, Taichung 40724, Taiwan
[3] Amli Co Ltd, Taipei, Taiwan
[4] Feng Chia Univ, Dept Environm Engn & Sci, Taichung 40724, Taiwan
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2010年 / 527卷 / 16-17期
关键词：
Magnesium alloy; Heat treatment; Microstructure; Precipitation hardening; Mechanical properties; HIGH-CYCLE FATIGUE; MG-AL ALLOYS; DISCONTINUOUS PRECIPITATION; DEFORMATION; BEHAVIOR;
D O I：
10.1016/j.msea.2010.03.015
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, the microstructure, and mechanical properties of various heat-treated AZ80N specimens are investigated. Experimental results show that the 400 degrees C solution-treated AZ80N specimens will produce the AlLi and Mg17Al12 precipitates after aging at 170 degrees C and 250 degrees C, respectively, and exhibit an obvious phenomenon of precipitation hardening. The aging precipitates of AlLi and Mg17Al12 phases can significantly improve the tensile strength of AZ80N alloy, but reduce its impact toughness. (C) 2010 Elsevier BM. All rights reserved.
引用
收藏
页码：4076 / 4081
页数：6
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