Specific heat and electrical resistivity of niobium measured by subsecond calorimetric technique

The paper presents results of measurements of specific heat and electrical resistivity of Nb from ambient temperature to the experimental limit of the equipment which is close to 2500K. The study used a contact thermometry variant of the millisecond resolution pulse calorimetry developed at the Inst...

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Bibliographic Details
Published in:International journal of thermophysics 1994-09, Vol.15 (5), p.963-972
Main Authors: MAGLIC, K. D, PEROVIC, N. LJ, VUKOVIC, G. S, ZEKOVIC, LJ. P
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Electrical and thermal conduction in crystalline metals and alloys
Electronic conduction in metals and alloys
Electronic transport in condensed matter
Exact sciences and technology
Heat capacity
Metals. Metallurgy
Physics
Thermal properties of condensed matter
Thermal properties of crystalline solids
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Summary:The paper presents results of measurements of specific heat and electrical resistivity of Nb from ambient temperature to the experimental limit of the equipment which is close to 2500K. The study used a contact thermometry variant of the millisecond resolution pulse calorimetry developed at the Institute of Nuclear Sciences VINCA. In the experiments exceeding 1000K, thermocouple thermometry was supplemented with parallel pyrometric temperature measurements. This, together with application of tungsten/rhenium thermocouple thermometry, increased the temperature range of measurements to 2500K. In the range where two thermometries overlap, data on the specimen emittance were also generated. Novelties in the method, the results on electrical resistivity, specific heat, hemispherical total emittance and normal spectral emittance of Nb and accuracies attained in different property measurements are discussed.
ISSN:0195-928X
1572-9567
DOI:10.1007/BF01447106