Calorimetric and transport properties of Zircalloy 2, Zircalloy 4, and Inconel 625 |
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Authors: | Maglić K. D. Perović N. Lj. Stanimirović A. M. |
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Affiliation: | (1) Institute of Nuclear Sciences Vinca, Belgrade, Yugoslavia |
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Abstract: | This paper presents the measurements and the results on thermal and electrical transport properties of three nuclear reactor cladding materials: Zircalloy 2, Zircalloy 4, and Inconel 625. Study of these materials constituted a part of the IAEA coordinated research program aimed at the generation and establishment of a reliable and complete database of the thermal properties of reactor materials. Measured properties include thermal diffusivity, specific heat, and electrical resistivity. Thermal diffusivity was measured by the laser pulse technique. Specific heat and electrical resistivity were measured using a millisecond-resolution direct electrical pulse heating technique. Thermal conductivity was computed from the experimentally determined thermal difusivity and specific heat functions and the room temperature density values. Measurements were performed in the 20 to 1500°C temperature range, depending on the material and property concerned. |
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Keywords: | electrical conductivity nuclear fuel cladding nuclear materials thermal conductivity thermal diffusivity specific heat |
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