Effect of strong magnetic field on the discontinuous and continuous precipitation in AZ91 Mg alloy

被引：4
|
作者：
Dong, J [1 ]
Li, ZF [1 ]
Zeng, XQ [1 ]
Lu, C [1 ]
Ding, WJ [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Natl Engn Res Ctr Light Met Forming, Shanghai 20030, Peoples R China
来源：
MAGNESIUM - SCIENCE, TECHNOLOGY AND APPLICATIONS | 2005年 / 488-489卷
关键词：
strong magnetic field; discontinuous precipitation; continuous precipitation; grain boundary migration;
D O I：
10.4028/www.scientific.net/MSF.488-489.849
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A strong static magnetic field (SSMF) of about 10 T was introduced to the aging process of AZ91 magnesium alloy. Comparing with conventional aging, in the first stage of aging with SSMF, discontinuous precipitation of Mg17Al12 at grain boundary was accelerated. The magnetically induced grain boundary migration might be responsible for this acceleration effect. The density of the Mg17Al12 continuous precipitates inside the grains was increased and the precipitation plates became thinner in SSMF pre-aged specimens, which might be ascribed to the retarded volume diffusion resulted from the SSMF.
引用
收藏
页码：849 / 852
页数：4
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