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.

引用

页码：515 / 517

页数：3

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