The formation and crystallization of amorphous Al65Fe20Zr15

被引：33

作者：

Ouyang, Yifang ^{[1
]}

Wang, Luyang ^{[1
]}

Chen, Hongmei ^{[1
]}

Cheng, Xiaoying ^{[2
]}

Zhong, Xiaping ^{[1
]}

Feng, Yuanping ^{[3
]}

机构：

[1] Guangxi Univ, Dept Phys, Nanning 530004, Peoples R China

[2] Hong Kong Polytech Univ, Inst Text & Clothing, Hung Hom Kowloon, Hong Kong, Peoples R China

[3] Natl Univ Singapore, Dept Phys, Singapore 119260, Singapore

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2008年 / 354卷 / 52-54期

关键词：

Alloys; Mechanical alloying; Nucleation; X-ray diffraction; Glass transition;

D O I：

10.1016/j.jnoncrysol.2007.02.099

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Amorphous Al65Fe20Zr15 alloy has been prepared by mechanical alloying. The as-milled powders were analyzed by XRD and DTA. The fully amorphous alloy was identified by the hallo rings of XRD pattern. The effective activation energy of crystallization was estimated with modified Kissinger's plot and it is 321.0 kJ/mol evaluated from the peak temperature of crystallization. The product phases of crystallization composed of Al3Zr, Al82Fe18, AlFeZr and an unidentified phase. The crystallization kinetics was also discussed by using the isochronal DTA scans and the values of corresponding kinetic parameters were determined. (C) 2008 Published by Elsevier B.V.

引用

页码：5555 / 5558

页数：4

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