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Thermodynamic modeling of the Ti-Al-Cr ternary system

机译:Ti-Al-Cr三元体系的热力学建模

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摘要

The Ti-Al-Cr ternary system is one of the most important systems to studying the titanium alloys. Some experimental data of this ternary system are available and a few partial thermodynamic assessments are reported. However, no full thermodynamic descriptions were published, in this study, the previous work on the Ti-Al-Cr system and its related binary systems are reviewed. Based on the thermodynamic descriptions of the Ti-Al, Ti-Cr and Al-Cr systems and the ternary experimental data in literature, the Ti-Al-Cr ternary system is assessed by means of the Calphad method. Several isothermal sections from 1073 K to 1573 K and some invariant reactions are calculated, which are in good agreement with the most of the experimental results.
机译:Ti-Al-Cr三元体系是研究钛合金的最重要体系之一。该三元系统的一些实验数据是可用的,并且报告了一些局部热力学评估。但是,没有发表完整的热力学描述,在这项研究中,对Ti-Al-Cr系统及其相关二元系统的先前工作进行了综述。根据Ti-Al,Ti-Cr和Al-Cr体系的热力学描述以及文献中的三元实验数据,通过Calphad方法评估了Ti-Al-Cr三元体系。计算了从1073 K到1573 K的几个等温截面以及一些不变的反应,这与大多数实验结果都非常吻合。

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