Thermodynamic analysis of the Al-Cu-Zr bulk metallic glass system

被引：33

作者：

Bo, H. ^{[1
]}

Wang, J. ^{[2
]}

Jin, S. ^{[2
]}

Qi, H. Y. ^{[1
]}

Yuan, X. L. ^{[1
]}

Lin, L. B. ^{[1
,3
,4
]}

Jin, Z. P. ^{[1
,3
,4
]}

机构：

[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

[2] Swiss Fed Labs Mat Testing & Res, Lab Joining & Interface Technol, CH-8600 Dubendorf, Switzerland

[3] Cent S Univ, Educ Minist, Key Lab Nonferrous Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

[4] Sci Ctr Phase Diagram & Mat Design & Preparat, Changsha 410083, Hunan, Peoples R China

来源：

INTERMETALLICS | 2010年 / 18卷 / 12期

基金：

美国国家科学基金会;

关键词：

Ternary alloy systems; Phase diagrams; Thermodynamic and thermochemical properties; glass; metallic; Phase diagram; prediction; AMORPHOUS-ALLOYS; MECHANICAL-PROPERTIES; THERMAL-STABILITY; PHASE-EQUILIBRIA; FORMING ABILITY; LIQUID; MICROSTRUCTURE; REASSESSMENT; OPTIMIZATION; ENTHALPIES;

D O I：

10.1016/j.intermet.2010.08.002

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：

As an essential constitution of either Cu- or Zr-based bulk metallic glass alloys, the Al-Cu-Zr ternary system has aroused a great attention for decades. Since the three constituent binary systems, Al-Cu, Al-Zr and Cu-Zr, have been optimized previously, the focus of this work was only given to the Al-Cu-Zr ternary system. Based on the experimental enthalpies of mixing of ternary liquid and undercooled liquid alloys as well as the evaluated isothermal sections, the Al-Cu-Zr ternary system has been assessed using the CALPHAD method. Most of the calculated results show good agreement with the experimental thermodynamic data and the reported phase diagrams. By employing the driving force criterion with the present thermodynamic description, the observed glass-forming abilities in the Al-Cu-Zr system can be accounted for satisfactorily. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：2321 / +

页数：6

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