The Al-B-Nb-Ti system III. Thermodynamic re-evaluation of the constituent binary system Al-Ti

被引:238
作者
Witusiewicz, V. T. [1 ]
Bondar, A. A. [2 ]
Hecht, U. [1 ]
Rex, S. [1 ]
Velikanova, T. Ya. [2 ]
机构
[1] ACCESS eV, D-52072 Aachen, Germany
[2] Frantsevich Inst Problems Mat Sci, UA-03680 Kiev, Ukraine
关键词
Al-Ti; Phase diagram; Thermodynamic description; CALPHAD approach;
D O I
10.1016/j.jallcom.2007.10.061
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 thermodynamic description of the binary system Al-Ti is obtained by modelling the Gibbs energy of all individual phases using the CALPHAD approach. The model parameters have been evaluated by means of the computer optimization module PARROT, available within Thermo-Calc, taking into account recent experimental data and critically assessed information on phase equilibria and thermodynamic properties. The calculations are in close agreement with the experimental data on both phase equilibria and thermodynamics in the entire Al-Ti system. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:64 / 77
页数:14
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