Abstract:
In order to extend the existing temperature ranges, an experimental investigation of the normal total emissivity of Group V transition metals of the Periodic Table (vanadium, niobium, and tantalum) was carried out up to their pre-melting temperatures. Graphical illustrations of the experimental results are presented for each of the studied metals. The obtained emissivity data show a monotonic increase over the investigated temperature range. The results are discussed and compared with literature data from other authors. The emissivity of the studied metals was also calculated and analyzed using the Furt approximation.
Keywords:vanadium, niobium, tantalum, emissivity, solid phase, temperature dependence, Furt approximation.
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