Formation of bulk metallic glasses in the Fe-M-Y-B (M = transition metal) system

被引：39

作者：

Huang, X. M. ^{[1
,2
]}

Chang, C. T. ^{[3
]}

Chang, Z. Y. ^{[1
,2
]}

Wang, X. D. ^{[1
,2
]}

Cao, Q. P. ^{[1
,2
]}

Shen, B. L. ^{[3
]}

Inoue, A. ^{[3
]}

Jiang, J. Z. ^{[1
,2
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, ICNSM, Hangzhou 310027, Peoples R China

[2] Zhejiang Univ, Dept Mat Sci & Engn, Lab New Struct Mat, Hangzhou 310027, Peoples R China

[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 460卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

ferromagnetic; bulk metallic glass; Fe;

D O I：

10.1016/j.jallcom.2007.09.063

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：

In this work, quaternary Fe(72-x)MxY(6)B(22) (M = Ni, Co and Mo) bulk metallic glasses (BMGs) have been developed. It is found that a fully amorphous Fe68MO4Y6B22 cylindrical rod with 6.5 mm in diameter can be prepared by copper mold injection. These alloys have a high glass transition temperature of about 900 K with high fracture strengths up to about 3 GPa although they are still brittle. Magnetic measurements reveal that they are ferromagnetic at ambient temperature with low coercive force of about 2 A/m, saturation magnetization of about 0.7 T and effective permeability of about 7000 at 100 kHz. The newly developed Fe-based quaternary alloys exhibit excellent combination properties: superior glass forming ability (GFA), high glass transition temperature, and soft magnetic properties, which could have potential applications in electronic industries. Furthermore, the effect of Mo addition on GFA in the Fe-Y-B BMG system has been discussed compared with those of Ni and Co additions. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：708 / 713

页数：6

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