Abstract
A subsecond pulse heating method was applied to measure the specific heat capacity, electrical resistivity, total hemispherical emissivity, and normal spectral emissivity of 99.9% pure tantalum in the form of 2-mm-diameter wire. W/Re thermocouple thermometry was applied from 300 to 2300 K, with emissivity measurements above 1300 K involving pyrometric measurements. The maximum uncertainties in the specific heat capacity and electrical resistivity were less than 3 and 1 % respectively. The uncertainty of emissivity measurements was estimated as ±5%. The results are compared with literature values.
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Milošević, N.D., Vuković, G.S., Pavičić, D.Z. et al. Thermal Properties of Tantalum Between 300 and 2300 K. International Journal of Thermophysics 20, 1129–1136 (1999). https://doi.org/10.1023/A:1022659005050
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DOI: https://doi.org/10.1023/A:1022659005050