Crystallization behavior and microstructure of Fe75Co6Zr9B10 alloy

被引：14
作者：
Yu, W. Q. [1 ]
Sun, Y. M. [1 ]
Hua, Z. [1 ]
机构：
[1] Jilin Normal Univ, Minist Educ, Key Lab Funct Mat Phys & Chem, Siping 136000, Jilin, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 23期
关键词：
Crystallization behavior; Microstructure; FE-ZR-B; SOFT-MAGNETIC-PROPERTIES; KINETICS; GLASS;
D O I：
10.1016/j.apsusc.2011.05.118
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Fe75Co6Zr9B10 amorphous alloy prepared by melt-spinning was annealed at various temperatures. The crystallization behavior and microstructure were investigated by differential thermal analysis (DTA), Xray diffraction (XRD), transmission electron microscopy (TEM) and atomic force microscopy (AFM). The three exothermal peaks in the DTA curve of Fe75Co6Zr9B10 amorphous alloy correspond to the formations of alpha-Fe and alpha-Mn type phases, the growth of BCC-Fe volume fraction at the expense of alpha-Mn and residual amorphous phase and the precipitations of Fe3Zr, etc. intermetallic compounds, respectively. The second exothermic peak is not influenced by heating rate, but it shifts to a higher temperature region with increasing preannealing temperature of Fe75Co6Zr9B10 alloy. The alpha-Mn type phase is metastable and its lattice parameter determined by TEM is 0.8830 nm. AFM images show the development of surface morphology of alloy after annealing. The particle size increases with increasing annealing temperature. (C) 2011 Elsevier B. V. All rights reserved.
引用
收藏
页码：9733 / 9736
页数：4
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