四参数广义范德华状态方程：钒、铌和钽热力学稳定边界和汽液平衡的理论确定

IF 1.3 4区材料科学 Q3 CRYSTALLOGRAPHY

Phase Transitions Pub Date : 2023-08-03 DOI:10.1080/01411594.2023.2241599

R. Arumugam, B. Ramasamy

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引用次数: 0

摘要

摘要提出了一个新的四参数广义范德华状态方程。已经制定了所提出的状态方程在描述物质热力学性质方面的适用性标准。发现广义范德华状态方程适用于钒、铌和钽。为了验证广义范德华状态方程，确定了钒、铌和钽的旋节、理想抗拉强度、过热热力学极限和双峰。所得结果与Filippov相关和其它状态方程的结果一致。利用所获得的旋节，确定了钒、铌和钽的双峰。

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A four-parameter generalized van der Waals equation of state: theoretical determination of thermodynamic stability boundary and vapor–liquid equilibrium of vanadium, niobium and tantalum

ABSTRACT A new four-parameter generalized van der Waals equation of state is proposed. The criteria for the applicability of the proposed equation of state in describing the thermodynamic properties of substances have been formulated. The generalized van der Waals equation of state is found to be applicable to vanadium, niobium and tantalum. To validate the generalized van der Waals equation of state, the spinodal, ideal tensile strength, thermodynamic limit of superheat and binodal of vanadium, niobium and tantalum have been determined. The obtained results agree with that of Filippov correlation and other equations of state. Using the obtained spinodal, the binodal of vanadium, niobium and tantalum has been determined.

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来源期刊

Phase Transitions 物理-晶体学

CiteScore

3.00

自引率

6.20%

发文量

审稿时长

1.4 months

期刊介绍： Phase Transitions is the only journal devoted exclusively to this important subject. It provides a focus for papers on most aspects of phase transitions in condensed matter. Although emphasis is placed primarily on experimental work, theoretical papers are welcome if they have some bearing on experimental results. The areas of interest include: -structural phase transitions (ferroelectric, ferroelastic, multiferroic, order-disorder, Jahn-Teller, etc.) under a range of external parameters (temperature, pressure, strain, electric/magnetic fields, etc.) -geophysical phase transitions -metal-insulator phase transitions -superconducting and superfluid transitions -magnetic phase transitions -critical phenomena and physical properties at phase transitions -liquid crystals -technological applications of phase transitions -quantum phase transitions Phase Transitions publishes both research papers and invited articles devoted to special topics. Major review papers are particularly welcome. A further emphasis of the journal is the publication of a selected number of small workshops, which are at the forefront of their field.