Microstructural characteristics and stability in a rapidly solidified Al-Fe-Nb-Si alloy

被引：0
|
作者：
Guan, SK [1 ]
Shen, NF
Gong, YL
Hu, HQ
机构：
[1] Zhengzhou Univ Technol, Dept Mat Sci & Engn, Zhengzhou 450002, Peoples R China
[2] Cent China Petr & Nat Gas Dev Corp Henan Province, Zhengzhou 450002, Peoples R China
[3] Univ Sci & Technol Beijing, Inst Mat, Beijing 100083, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 1997年 / 13卷 / 06期
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructure and stability in a rapidly solidified Al-Fe-Nb-Si alloy were studied by using transmission electron microscopy (TEM) with energy dispersive X-ray spectrometry (EDXS) and X-ray diffraction technique. It is shown that the addition of Nb to Al-Fe-Si alloy may increase undercooling of melt, and form the featureless zone structure, the size of the intercellular phases and the distance between intercellulars of Al-Fe-Nb-Si alloy are two times smaller than that of AI-Fe-V-Si alloy under the same conditions. Further, the microstructure of the featureless zone has the better thermal stability after annealing at 623 K for 24 h.
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页码：515 / 517
页数：3
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