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IF 1.9 3区材料科学 Q4 CHEMISTRY, PHYSICAL

Calphad-computer Coupling of Phase Diagrams and Thermochemistry Pub Date : 2024-12-27 DOI:10.1016/j.calphad.2024.102793

C.B. Li, Y. Zhang, Z.Q. Wang, D.Y. Shen, K.G. Wang, L.B. Liu, L.G. Zhang

引用次数: 0

摘要

采用平衡合金法测定了 Fe-Ni-W 三元体系在 1073 K 和 1273 K 的等温截面。进一步完善了 Fe-Ni-W 三元体系中第三元素在 μ-Fe₇W₆、λ-Fe₂W、NiW 和 Ni₄W 化合物中的溶解度。在 1073 K 和 1273 K 的等温截面上，分别确认了 1073 K 时的 5 个三相区域和 11 个两相区域，以及 1273 K 时的 3 个三相区域和 7 个两相区域。没有观察到三元化合物。根据已有的 Fe-Ni-W 三元体系和相关二元体系的数据，采用相图计算方法对 Fe-Ni-W 三元体系进行了热力学重估。建立了新的 Fe-Ni-W 三元体系热力学数据库，实验数据与计算结果显示出极好的一致性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Experimental investigation and thermodynamic re-assessment of the Fe-Ni-W phase diagram

The isothermal sections of the Fe-Ni-W ternary system at 1073 K and 1273 K were determined using the equilibrium alloy method. The solubility of the third element in the μ-Fe₇W₆, λ-Fe₂W, NiW, and Ni₄W compounds within the Fe-Ni-W ternary system was further refined. In the isothermal sections at 1073 K and 1273 K, 5 three-phase regions and 11 two-phase regions at 1073 K, and 3 three-phase regions and 7 two-phase regions at 1273 K, respectively, were confirmed. No ternary compounds were observed. Based on the existing data of the Fe-Ni-W ternary system and the related binary systems, the thermodynamic reassessment of the Fe-Ni-W ternary system was carried out using the phase diagram calculation method. A new thermodynamic database for the Fe-Ni-W ternary system was developed, and the experimental data showed excellent consistency with the calculated results.

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来源期刊

Calphad-computer Coupling of Phase Diagrams and Thermochemistry 化学-热力学

CiteScore

4.00

自引率

16.70%

发文量

审稿时长

2.5 months

期刊介绍： The design of industrial processes requires reliable thermodynamic data. CALPHAD (Computer Coupling of Phase Diagrams and Thermochemistry) aims to promote computational thermodynamics through development of models to represent thermodynamic properties for various phases which permit prediction of properties of multicomponent systems from those of binary and ternary subsystems, critical assessment of data and their incorporation into self-consistent databases, development of software to optimize and derive thermodynamic parameters and the development and use of databanks for calculations to improve understanding of various industrial and technological processes. This work is disseminated through the CALPHAD journal and its annual conference.