Thermal Conductivity and Thermal Diffusivity of Mg–Ca Eutectic Alloys in Solid State

IF 1.3 4区 工程技术 Q3 ENGINEERING, MECHANICAL
A. Sh. Agazhanov, R. N. Abdullaev, D. A. Samoshkin, S. V. Stankus
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引用次数: 0

Abstract

An experimental study of the heat transfer coefficients of Mg–Ca eutectic alloys with a calcium content of 10.5 and 73.0 at % is carried out. These alloys are considered as promising biodegradable and ultralight construction materials. In the course of the study, new reliable experimental data on thermal conductivity (\(\lambda\)) and thermal diffusivity (\(a\)) are obtained in the temperature range 300–\(571\ldots 695\) K of the solid state. The estimated errors of the obtained data are 3.0–3.4% and 2.0–2.4% for \(\lambda\) and \(a\), respectively. Reference tables and recommended temperature dependences of the studied properties are developed, which can be used for various scientific and practical applications.

Abstract Image

固态Mg–Ca共晶合金的热导率和热扩散率
对钙含量分别为10.5和73.0at%的Mg–Ca共晶合金的传热系数进行了实验研究。这些合金被认为是有前途的可生物降解和超轻型建筑材料。在研究过程中,在固态300–(571至695)K的温度范围内,获得了关于热导率(λ)和热扩散率(a)的新的可靠实验数据。对于\(λ\)和\(a \),所获得数据的估计误差分别为3.0–3.4%和2.0–2.4%。编制了所研究性能的参考表和推荐的温度依赖性,可用于各种科学和实际应用。
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来源期刊
Journal of Engineering Thermophysics
Journal of Engineering Thermophysics THERMODYNAMICS-ENGINEERING, MECHANICAL
CiteScore
2.30
自引率
12.50%
发文量
0
审稿时长
3 months
期刊介绍: Journal of Engineering Thermophysics is an international peer reviewed journal that publishes original articles. The journal welcomes original articles on thermophysics from all countries in the English language. The journal focuses on experimental work, theory, analysis, and computational studies for better understanding of engineering and environmental aspects of thermophysics. The editorial board encourages the authors to submit papers with emphasis on new scientific aspects in experimental and visualization techniques, mathematical models of thermophysical process, energy, and environmental applications. Journal of Engineering Thermophysics covers all subject matter related to thermophysics, including heat and mass transfer, multiphase flow, conduction, radiation, combustion, thermo-gas dynamics, rarefied gas flow, environmental protection in power engineering, and many others.
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