Experimental Investigation and Thermodynamic Assessment of Phase Equilibria in the Hf-Ti-V Ternary System

被引：0
|
作者：
X. J. Liu
J. Yao
H. Luo
Y. W. Kang
J. H. Zhu
J. Li
J. B. Zhang
S. Y. Yang
C. P. Wang
机构：
[1] Xiamen University,College of Materials and Fujian Provincial Key Laboratory of Materials Genome
[2] Harbin Institute of Technology,Department of Materials Science and Engineering
[3] Beijing Institute of Aeronautical Materials,Science and Technology on Advanced High Temperature Structural Materials Laboratory
来源：
Journal of Phase Equilibria and Diffusion | 2018年 / 39卷
关键词：
calphad; Hf-Ti-V; phase diagram; thermodynamic assessment;
D O I：
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中图分类号：
学科分类号：
摘要：
In this study, two isothermal sections of the Hf-Ti-V ternary system at 1100 and 1300 °C were experimentally investigated by means of back-scattered electron, electron probe microanalysis and x-ray diffraction. The isothermal section at 1100 °C consists of one three-phase region and three two-phase regions, without any ternary compounds. The β(Hf, Ti) phase forms a large continuous solid solution at 1300 °C, even extends to Hf-V side. The solubility of V in β(Hf, Ti) phase is large, while the solubility of V in the α(Hf, Ti) phase is small. A thermodynamic description of the Hf-Ti-V system was carried out based on the experimental data determined in this work. The calculated phase diagrams are in good agreement with the present experimental results.
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页码：290 / 300
页数：10
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