Predicting the Q-Phase in Al-Cu-Mg-Si Alloys

被引：15
|
作者：
Pan, X. [1 ]
Morral, J. E. [1 ]
Brody, H. D. [2 ]
机构：
[1] Ohio State Univ, Dept Mat Sci & Engn, Columbus, OH 43210 USA
[2] Univ Connecticut, Inst Mat Sci, Storrs, CT 06269 USA
来源：
JOURNAL OF PHASE EQUILIBRIA AND DIFFUSION | 2010年 / 31卷 / 02期
基金：
美国国家科学基金会;
关键词：
aluminum alloys; equilibrium diagram; isopleths; isothermal equilibration; multicomponent; phase diagram; thermodynamic modeling; SYSTEM; SOLIDIFICATION; DIAGRAMS; LINES; ZPF;
D O I：
10.1007/s11669-009-9640-9
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：
The objective of this work was to predict whether or not Al5Cu2Mg8Si6, the Q-phase, can be dissolved by solutionizing depending on the composition of Al-Cu-Mg-Si alloys. The procedure was to predict a series of isopleths at 505 A degrees C using ThermoCalc software with a newly constructed database. Then zero-phase-fraction lines for the Q-phase on the isopleths were projected onto various planes to form isothermal, polyisopleth projections that show the effect of Si, Mg, and Cu on Q-phase stability.
引用
收藏
页码：144 / 148
页数：5
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