Thermodynamic modelling of the V-Ti-B system

被引：5

作者：

Yazlak, M. ^{[1
]}

Christ, H-J ^{[1
]}

Yang, W. ^{[2
]}

Hasemann, G. ^{[3
]}

Krueger, M. ^{[3
]}

Gorr, B. ^{[4
]}

机构：

[1] Univ Siegen, Inst Mat Engn, Paul Bonatz Str 9-11, D-57076 Siegen, Germany

[2] Forschungszentrum Julich, Inst Energy & Climate Res, Microstruct & Properties Mat IEK 2, Leo Brand Str 1, D-52425 Julich, Germany

[3] Otto von Guericke Univ, Inst Mat & Joining Technol, Univ Pl 2, D-39106 Magdeburg, Germany

[4] Karlsruhe Inst Technol KIT, Inst Appl Mat Appl Mat Phys IAM AMP, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

来源：

CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY | 2022年 / 79卷

关键词：

Phase diagram; CALPHAD; V-Ti-B system; Thermodynamic modelling; OXIDATION BEHAVIOR; VANADIUM; NB; MICROSTRUCTURE; RESISTANCE; CR;

D O I：

10.1016/j.calphad.2022.102477

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Thermodynamic modelling is an effective approach to accelerate the development of novel materials such as V -based alloys. In the present work, the results of thermodynamic modelling of the ternary system V-Ti-B using the "CALculation of PHAse Diagrams" (CALPHAD) method are presented. The thermodynamic descriptions of the binary systems V-Ti, V-B, and Ti-B are based on available publications whereas thermodynamic parameters for the ternary system stem from the iterative approximation to the experimental investigations, which further serve for verifying the calculated phase diagram. Thus, eight different alloys in the compositional range of 10-40 at.% Ti and B were analyzed aiming at identifying the evolving phases. A set of thermodynamic parameters is pro-posed. The calculated isothermal phase diagram at 1673 K exhibits a high degree of agreement with the literature and experimental observations. In our further work, the thermodynamic data generated in this study will be useful to develop the quaternary V-Ti-Si-B system.

引用

页数：7

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