Bulk metallic glasses in the Zr-Al-Ni-Cu system

被引：130
|
作者：
Chen, W
Wang, Y
Qiang, J
Dong, C [1 ]
机构：
[1] Dalian Univ Technol, State Key Lab Mat Modificat, Dalian 116024, Peoples R China
[2] Univ Dalian, Dept Engn Mech, Dalian 116622, Peoples R China
来源：
ACTA MATERIALIA | 2003年 / 51卷 / 07期
基金：
中国国家自然科学基金;
关键词：
bulk metallic glasses; Zr-Al-Ni-Cu alloys; electron concentration; atomic size;
D O I：
10.1016/S1359-6454(02)00596-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electron concentration and atomic size rules are important criteria for bulk metallic glass formation. According to these rules, a series of new Zr-Al-Ni-Cu amorphous alloys with a constant e/a ratio of 1.4 and an average atomic size of 0.1496 nm was designed. All the alloys have high glass forming abilities, large supercooled liquid regions DeltaT(x), and large reduced glass transition temperatures T-rg. The best glass forming composition is located near Zr63.8Al11.4Ni17.2Cu7.6. Its glass forming ability is higher than that of the Inoue alloy Zr65Al7.5Ni10Cu17.5. (C) 2003 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1899 / 1907
页数：9
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