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

页码：144 / 148

页数：5

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