Experimental Investigation and Thermodynamic Assessment of Phase Equilibria at the Ti-Mn side in the Ti-Mn-Mo Ternary System

IF 1.5 4区材料科学 Q4 CHEMISTRY, PHYSICAL Journal of Phase Equilibria and Diffusion Pub Date : 2024-01-29 DOI:10.1007/s11669-024-01083-1

Cuiping Wang, Lianzhang Wu, Jingtao Du, Debin Zheng, Yihui Guo, Yixiong Huang, Jinbin Zhang, Yong Lu, Xingjun Liu

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Abstract

The phase relationships of the Ti-Mn-Mo ternary system on the Ti-Mn side at 900 and 1000 °C were experimentally studied based on microstructure and phase constituents from the equilibrated alloys using electron probe microanalysis, scanning electron microscopy, and X-ray diffraction. The solubilities of Mo in the βTiMn, TiMn₂, TiMn₃ and TiMn₄ phases of the Ti-Mn system were measured. A three-phase region and seven two-phase regions were experimentally determined. No ternary compounds were found. Based on the experimental data and the thermodynamic descriptions of the three binary sub-systems available in the literature, a set of thermodynamic parameters of the Ti-Mn-Mo ternary system was obtained. The calculated isothermal sections and vertical sections agree well with the experimental results. The calculated liquidus projection and invariant reaction scheme of the Ti-Mn-Mo ternary system are also presented. The present work can provide essential experimental and thermodynamic data for the design of biocompatible medical titanium alloys.

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钛锰钼三元体系中钛锰侧相平衡的实验研究和热力学评估

利用电子探针显微分析法、扫描电子显微镜和 X 射线衍射法，根据平衡合金的微观结构和相成分，实验研究了 900 和 1000 ℃ 时 Ti-Mn-Mo 三元体系 Ti-Mn 侧的相关系。测量了钼在 Ti-Mn 系统的 βTiMn、TiMn2、TiMn3 和 TiMn4 相中的溶解度。实验确定了一个三相区域和七个两相区域。没有发现三元化合物。根据实验数据和文献中对三个二元子系统的热力学描述，得到了一组 Ti-Mn-Mo 三元系统的热力学参数。计算得出的等温截面和垂直截面与实验结果十分吻合。此外，还给出了钛-锰-钼三元体系的液相投影计算结果和不变反应方案。本研究可为生物相容性医用钛合金的设计提供重要的实验和热力学数据。

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来源期刊

Journal of Phase Equilibria and Diffusion 工程技术-材料科学：综合

CiteScore

2.50

自引率

7.10%

发文量

审稿时长

1 months

期刊介绍： The most trusted journal for phase equilibria and thermodynamic research, ASM International''s Journal of Phase Equilibria and Diffusion features critical phase diagram evaluations on scientifically and industrially important alloy systems, authored by international experts. The Journal of Phase Equilibria and Diffusion is critically reviewed and contains basic and applied research results, a survey of current literature and other pertinent articles. The journal covers the significance of diagrams as well as new research techniques, equipment, data evaluation, nomenclature, presentation and other aspects of phase diagram preparation and use. Content includes information on phenomena such as kinetic control of equilibrium, coherency effects, impurity effects, and thermodynamic and crystallographic characteristics. The journal updates systems previously published in the Bulletin of Alloy Phase Diagrams as new data are discovered.