THERMODYNAMIC ASSESSMENT OF THE TI-ZR SYSTEM AND CALCULATION OF THE NB-TI-ZR PHASE-DIAGRAM

被引：103
|
作者：
KUMAR, KCH
WOLLANTS, P
DELAEY, L
机构：
[1] Department MTM, Katholieke Universiteit Leuven, B-3001 Heverlee
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1994年 / 206卷 / 01期
关键词：
Mathematical models - Niobium alloys - Phase diagrams - Thermodynamics - Zirconium alloys;
D O I：
10.1016/0925-8388(94)90019-1
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：
Equilibrium phase relationships in the Nb-Ti-Zr system are computed using the Calphad approach. SGTE-recommended lattice stability expressions for the pure elements are used. The thermodynamic model parameters for Nb-Ti and Nb-Zr are taken from recent assessments. A new thermodynamic description of Ti-Zr is obtained by optimizing available experimental thermochemical and phase diagram data. Phase diagrams of the three limiting binaries, liquidus projection, solidus projection and a number of isothermal sections are computed.
引用
收藏
页码：121 / 127
页数：7
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