汞铅液态合金的热物理行为

IF 1.2 Q3 PHYSICS, MULTIDISCIPLINARY Papers in Physics Pub Date : 2022-04-01 DOI:10.4279/pip.140005
N. Panthi, I. Bhandari, I. Koirala
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引用次数: 2

摘要

采用不同的模拟方程,研究了在600 K温度下,考虑HgPb2配合物,复合形成的二元液态汞铅合金的热物理性质是浓度的函数。采用准化学近似方法研究了该合金的吉布斯自由能、混合焓、各组分的化学活性等热力学性质,以及长波长极限浓度波动和Warren-Cowley短程序参量等微观性质。本文着重研究了合金原子间的相互作用能参数。通过理论和实验数据的比较,确定了模型的有效性。复合地层模型、统计力学技术和改进的Butler方程推导都被用于研究表面张力。采用Kozlov-Ronanov-Petrov方程、Kaptay方程和Budai-Benko-Kaptay模型对合金的粘度进行了研究。该研究描述了合金的弱相互作用,在600 K下得到的理论热力学数据与实验结果吻合良好。在较大体积铅浓度下,复合地层模型中的表面张力与统计力学方法和巴特勒方程中的表面张力略有不同。这三种模型的估计黏度基本相同。
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Thermophysical behavior of mercury-lead liquid alloy
Thermophysical properties of compound forming binary liquid mercury-lead alloy at temperature 600 K have been reported as a function of concentration by considering HgPb2 complex using different modelling equations. The thermodynamic properties such as the Gibbs free energy, enthalpy of mixing, chemical activity of each component, and microscopic properties such as concentration fluctuation in long-wavelength limit and Warren-Cowley short range order parameter of the alloy are studied by quasi-chemical approximation. This research paper places additional emphasis on the interaction energy parameters between the atoms of the alloy. The theoretical and experimental data are compared to determine the model’s validity. Compound formation model, statistical mechanical technique, and improved derivation of the Butler equation have all been used to investigate surface tension. The alloy’s viscosity is investigated using the Kozlov-Ronanov-Petrov equation, the Kaptay equation, and the Budai-Benko-Kaptay model. The study depicts a weak interaction of the alloy, and the theoretical thermodynamic data derived at 600 K are in good agreement with the experimental results. The surface tension is slightly different in the compound formation model than in the statistical mechanical approach and the Butler equation at greater bulk concentrations of lead. The estimated viscosities in each of the three models are substantially identical.
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来源期刊
Papers in Physics
Papers in Physics PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.90
自引率
0.00%
发文量
13
期刊介绍: Papers in Physics publishes original research in all areas of physics and its interface with other subjects. The scope includes, but is not limited to, physics of particles and fields, condensed matter, relativity and gravitation, nuclear physics, physics of fluids, biophysics, econophysics, chemical physics, statistical mechanics, soft condensed matter, materials science, mathematical physics and general physics. Contributions in the areas of foundations of physics, history of physics and physics education are not considered for publication. Articles published in Papers in Physics contain substantial new results and ideas that advance the state of physics in a non-trivial way. Articles are strictly reviewed by specialists prior to publication. Papers in Physics highlights outstanding articles published in the journal through the Editors'' choice section. Papers in Physics offers two distinct editorial treatments to articles from which authors can choose. In Traditional Review, manuscripts are submitted to anonymous reviewers seeking constructive criticism and editors make a decision on whether publication is appropriate. In Open Review, manuscripts are sent to reviewers. If the paper is considered original and technically sound, the article, the reviewer''s comments and the author''s reply are published alongside the names of all involved. This way, Papers in Physics promotes the open discussion of controversies among specialists that are of help to the reader and to the transparency of the editorial process. Moreover, our reviewers receive their due recognition by publishing a recorded citable report. Papers in Physics publishes Commentaries from the reviewer(s) if major disagreements remain after exchange with the authors or if a different insight proposed is considered valuable for the readers.
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