Investigation of the emissivity of zirconium and hafnium in a wide temperature range
Kosenkov D. V.1, Sagadeev V. V.1
1Kazan National Research Technological University, Kazan, Russia
Email: dmi-kosenkov@yandex.ru

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The temperature and wave dependences of the emissivity of metallic zirconium and hafnium were measured. The measurement method is radiation, in an argon atmosphere. The heating method is resistive. The temperature range covered the solid-liquid phase transition. The spectral emissivity was studied in the wavelength range 0.69-10.6 μm. Numerical values of the experimental results are presented. A comparative analysis with the literature data and calculation results in the Drude approximation is carried out. Keywords: emissivity, solid and liquid phases, temperature and wave dependences, zirconium, hafnium.
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