effects on magnetic and mechanical properties of Fe-based Fe-Nb-Hf-Y-B bulk glassy alloys with high glass-forming ability

被引：28

作者：

Long, Zhilin ^{[1
,2
]}

Shao, Yong ^{[3
]}

Xu, Fu ^{[1
]}

Wei, Hongqing ^{[1
]}

Zhang, Zhichun ^{[1
]}

Zhang, Ping ^{[1
]}

Su, Xuping ^{[2
]}

机构：

[1] Xiangtan Univ, Inst Fundamental Mech & Mat Engn, Xiangtan 411105, Hunan, Peoples R China

[2] Xiangtan Univ, Key Lab Mat Design & Preparat Technol Hunan Prov, Xiangtan 411105, Hunan, Peoples R China

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

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2009年 / 164卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Fe-based bulk metallic glass; Glass-forming ability; Mechanical property; Magnetic property; METALLIC GLASSES; AMORPHOUS-ALLOYS; SUPERCOOLED LIQUID; THERMAL-STABILITY; TRANSITION; CRITERION; SYSTEM; CR; ZR;

D O I：

10.1016/j.mseb.2009.04.010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of partial substitution of Y for Fe on the glass-forming ability (GFA), mechanical, thermal and magnetic properties of quinary Fe73-xNb4Hf3YxB20 (x=0-3 at.%) alloys were investigated. The replacement of 1-3 at.% Fe by Y increased thermal stability of the supercooled liquid in the Fe-Nb-Hf-Y-B alloys, enabling the fabrication of bulk metallic glasses (BMGs) with diameters up to 4mm from the original 2 mm. Properties of Fe73-xNb4Hf3YxB20 BMGs were measured, yielding a rather high saturation magnetization of 1.05-1.22T, low coercive force of 1.6-3.6A/m, high compressive fracture strength of 3200-3490 MPa, Yong's modulus (E) of 177-190 GPa and compressive strain before failure similar to 2%. Furthermore, the role of Y addition on the GFA as well as mechanical and magnetic properties is also discussed. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1 / 5

页数：5

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