https://doi.org/10.1140/epjb/s10051-024-00687-3
Regular Article - Statistical and Nonlinear Physics
Statistical moment method in studying the melting of tungsten: a comprehensive review
Department of Theoretical and Computational Physics, Hanoi National University of Education, 136 Xuan Thuy, Cau Giay, Hanoi, Vietnam
Received:
6
February
2024
Accepted:
8
April
2024
Published online:
6
May
2024
The melting properties of W at high pressure regime are investigated theoretically by the statistical moment method. The two basic single-phase approaches we use are the Lindemann criterion and the Burakovsky-Preston-Silbar dislocation theory. Besides, we also propose a simple vacancy model to evaluate the influence of point defects on the melting process. The efficiency, accuracy and correlation between the above-mentioned approaches are discussed and clarified. The obtained results demonstrate that the increase in lattice defects plays an important role in promoting the melting of W as well as explaining the jump of thermodynamic quantities in the vicinity of the solid—liquid phase transition point. Our study promises to provide a more comprehensive and in-depth view of the melting mechanism in transition metals such as W.
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© The Author(s), under exclusive licence to EDP Sciences, SIF and Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
