Effect of Cryogenic Treatment on the Microstructure and Mechanical Properties of AZ31 Magnesium Alloy

被引：70
|
作者：
Jiang, Yong [1 ]
Chen, Ding [1 ]
Chen, Zhenhua [1 ]
Liu, Junwei [1 ]
机构：
[1] Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Hunan, Peoples R China
来源：
MATERIALS AND MANUFACTURING PROCESSES | 2010年 / 25卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Cryogenic treatment; Magnesium; Mechanical property; Microstructure; ABRASION RESISTANCE; DEFORMATION; STRESS; STEEL; TOOL;
D O I：
10.1080/10426910903496862
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of cryogenic treatment (77K) on the microstructure and mechanical properties of magnesium and AZ31 magnesium alloy has been investigated in this article. The results show that tensile stress and the hardness of the samples treated in a cryogenic environment are higher than those of the untreated samples. The improvement of mechanical properties is highly dependent on the soaking time. The main reason for the improvement of mechanical properties could be ascribed to the generation of a type of oframe-likeo twinning during the cryogenic treatment, which also leads to the evolution of grain orientation.
引用
收藏
页码：837 / 841
页数：5
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