近共晶镓铟锡合金的动态粘度和比热容

IF 2.5 4区 工程技术 Q3 CHEMISTRY, PHYSICAL International Journal of Thermophysics Pub Date : 2024-12-17 DOI:10.1007/s10765-024-03471-8
M. H. Buschmann, S. Feja, R. Künanz, C. Hanzelmann, R. Mondragón, L. Hernández, M. J. V. Lourenço, F. J. V. Santos, V. Nunes, M. Alves, C. A. Nieto de Castro
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引用次数: 0

摘要

本文给出了近共晶镓铟锡合金的粘度和比热容的实验数据。粘度数据涵盖合金熔点283.85 K(10.70°C)至370.47 K(97.32°C)的温度范围。两个独立的团队使用毛细管粘度计和振荡杯粘度计获得了几乎相同的值。在373 K(100°C)以下,数据遵循Arrhenius相关。比热容数据来自差示扫描量热法测量,范围从236 K(−37℃)到340 K(67℃)。诺伊曼-柯普规则既不能对固体状态也不能对液体状态给出令人满意的数据表示。近似函数很好地分别表示了这两个区域。该研究讨论了与热物理性质有关的几个问题,即熔融和结晶,以及可能的液-液交叉。
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Dynamic Viscosity and Specific Heat Capacity of Near Eutectic Gallium–Indium–Tin Alloy

The study presents experimental data of the viscosity and specific heat capacity of the near eutectic gallium–indium–tin alloy. Viscosity data cover the temperature range from the alloy’s melting point of 283.85 K (10.70 °C) to about 370.47 K (97.32 °C). Two independent teams using a capillarity viscosimeter and an oscillating cup viscosimeter obtained almost identical values. Below 373 K (100 °C) the data follow the Arrhenius correlation. Specific heat capacity data result from differential scanning calorimetry measurements and reach from 236 K (− 37 °C) to 340 K (67 °C). The Neumann–Kopp rule gives neither the solid nor the liquid state a satisfactory representation of the data. Approximation functions represent these two regions separately in an excellent manner. The study discusses several issues related to the thermophysical properties, namely melting and crystallisation, and a possible liquid-to-liquid crossover.

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来源期刊
CiteScore
4.10
自引率
9.10%
发文量
179
审稿时长
5 months
期刊介绍: International Journal of Thermophysics serves as an international medium for the publication of papers in thermophysics, assisting both generators and users of thermophysical properties data. This distinguished journal publishes both experimental and theoretical papers on thermophysical properties of matter in the liquid, gaseous, and solid states (including soft matter, biofluids, and nano- and bio-materials), on instrumentation and techniques leading to their measurement, and on computer studies of model and related systems. Studies in all ranges of temperature, pressure, wavelength, and other relevant variables are included.
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