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Thermodynamic Modeling of Al-Fe-Cr Ternary System

机译：Al-Fe-Cr三元体系的热力学建模

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The Al-Fe-Cr ternary system is one of the most important systems to developing aluminum alloys. Up to now, although several reviews about this ternary system have been available, however no thermodynamic assessment was published. In this paper, previous work of the Al-Fe-Cr ternary system and its related binary systems are reviewed. Then, Al-Cr binary system was re-assessed in order to better describe the phases Al_8(Cr, Fe)_5 in ternary system. Based on the re-assessed Al-Cr binary system and Al-Fe, Fe-Cr binary systems assessed before, as well as the experimental data reported in the literature, the Al-Fe-Cr ternary system was assessed by means of CALPHAD method. Isothermal sections of 1433, 1348, 1273, 1173, 1073 and 973 K in Al-rich corner and some invariant reactions are calculated. It is shown that the present calculations are in good agreement with the most of the experimental results.
机译：Al-Fe-Cr三元系是开发铝合金最重要的系统之一。到目前为止，尽管已经有关于该三元体系的一些评论，但是尚未发表热力学评估。本文回顾了Al-Fe-Cr三元体系及其相关二元体系的先前工作。然后，重新评估了Al-Cr二元体系，以更好地描述三元体系中的Al_8（Cr，Fe）_5相。根据重新评估的Al-Cr二元体系和之前评估过的Al-Fe，Fe-Cr二元体系以及文献报道的实验数据，通过CALPHAD方法对Al-Fe-Cr三元体系进行了评估。 。计算了富铝拐角处1433、1348、1273、1173、1073和973 K的等温截面，并计算出一些不变反应。结果表明，目前的计算结果与大多数实验结果吻合良好。

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