Enhanced glass forming ability and soft magnetic properties through an optimum Nb addition to a Fe-C-Si-B-P bulk metallic glass

被引：48
|
作者：
Jung, H. Y. [1 ]
Yi, S. [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Mat Sci & Met, Taegu 702701, South Korea
来源：
INTERMETALLICS | 2010年 / 18卷 / 10期
关键词：
Glasses; metallic; Nanocrystals; Magnetic applications; SUPERCOOLED LIQUID; RAW-MATERIALS; HOT METAL; ALLOYS; CRYSTALLIZATION;
D O I：
10.1016/j.intermet.2010.03.011
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：
Minor alloying effects of Nb on the thermal stability and magnetic properties of a ferromagnetic Fe75.5C7.0Si3.3B5.5P8.7 bulk metallic glass have been investigated. Through a proper replacement of Nb for Fe, glass forming ability of the alloy can be enhanced forming a fully amorphous rod with the diameter of 3 mm by a suction casting method. Precipitation of a primary carbide phase during solidification can be effectively suppressed by a small amount addition of Nb. Soft magnetic properties of the melt-spun ribbons can be improved by controlling crystallization procedure. Crystallization kinetics was analyzed by Jonhson-Mehl-Avrami equation using isothermally annealed ribbons for the foundation of the crystallization process control. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1936 / 1940
页数：5
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