E. R. Akhtyamov, V. I. Gorbatov, A. D. Ivliev, V. F. Polev, A. A. Kurichenko
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High-Temperature Thermophysical Properties of Alloys of the Nickel–Vanadium System in Solid State
Abstract
We report on the thermal diffusivities, specific heats, thermal conductivities, and electrical resistivities of 21 alloys of the nickel–vanadium system. It is found that heat transfer in NiV alloys is mainly executed by electrons. The behavior of temperature dependences of these properties shows that in the temperature range under investigation, the thermophysical characteristics of samples in the state of solid solutions and intermetallic compounds differ significantly because of the dependence of the energy structure of collectivized electrons on the system composition and temperature. It is shown that the concentration range in which the mutual solubility of component is ensured expands upon heating. The Nordheim rule for the alloys under investigation holds at temperatures close to the melting point and indicates the dependence of the density of states of collectivized electrons on the concentration of components.
期刊介绍：
High Temperature is an international peer reviewed journal that publishes original papers and reviews written by theoretical and experimental researchers. The journal deals with properties and processes in low-temperature plasma; thermophysical properties of substances including pure materials, mixtures and alloys; the properties in the vicinity of the critical point, equations of state; phase equilibrium; heat and mass transfer phenomena, in particular, by forced and free convections; processes of boiling and condensation, radiation, and complex heat transfer; experimental methods and apparatuses; high-temperature facilities for power engineering applications, etc. The journal reflects the current trends in thermophysical research. It presents the results of present-day experimental and theoretical studies in the processes of complex heat transfer, thermal, gas dynamic processes, and processes of heat and mass transfer, as well as the latest advances in the theoretical description of the properties of high-temperature media.
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