Microstructure analysis of rheoformed AZ91 alloy produced by rotating magnetic fields
Microstructure analysis of rheoformed AZ91 alloy produced by rotating magnetic fields
复制标题
旋转磁场流变成形AZ91合金的显微组织分析
DOI:
10.1016/j.jallcom.2007.06.111
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发表时间:
2008-08
影响因子:
6.2
通讯作者:
中科院分区:
文献类型:
--
作者:
AZ91 magnesium alloy was rheoformed using rotating magnetic fields (RMFs) after isothermal near-liquidus treatment. Thixotropic microstructures obtained at different temperatures were characterized in detail and linked to the corresponding volume solid fraction, and serial sectioning experiments were performed to construct three-dimensional morphologies of clusters consisting of conglutinated primary grains. The experimental results indicated that incompact structure agglomerating a few primary solid particles was observed within structures of low solid fraction, while a reduction in the castings’ forming temperature and so increasing the fraction of primary solid phase brought out interaction among the primary particles within vigorously stirring melt, and thus caused slide and plastic deformation between or among the neighboring solid particles. In contrast with structure with low solid fraction, this slide and plastic deformation resulted in differently morphological 3D structures welded together with much more solid particles. Moreover, the increase in solid fraction mainly lied on the formation of new particles.
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DOI:
10.1016/s0921-5093(00)00619-5
发表时间:
2000-05
影响因子:
6.4
作者:
B. Niroumand;K. Xia
通讯作者:
B. Niroumand;K. Xia
影响因子:
2.6
作者:
Liu Xiangfa;B. Xiufang;Q. Xiaogang;M. Jiaji
通讯作者:
Liu Xiangfa;B. Xiufang;Q. Xiaogang;M. Jiaji
DOI:
10.1002/3527603565
发表时间:
2003-11
期刊:
--
影响因子:
--
作者:
K. Kainer
通讯作者:
K. Kainer
影响因子:
1.8
作者:
A. Vogel;B. Cantor
通讯作者:
A. Vogel;B. Cantor
影响因子:
6
作者:
F. Czerwinski
通讯作者:
F. Czerwinski