Determination of the relative thermal conductivity of solid samples by X-ray diffraction device |
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| Authors: | Stefano Battaglia Leonardo Leoni |
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| Institution: | 1. Institute of Geosciences and Earth Resources, Via G. Moruzzi, 1, 56124, Pisa, Italy
2. Department of Earth Science, Via S.Maria 53, 56126, Pisa, Italy
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| Abstract: | The thermal conductivity (TC) of metal and rock samples was determined, under ambient conditions, using standard X-ray diffraction equipment in which only the diffractometer sample holder had been modified from the original. As the method is comparative, standard reference materials were used: a copper standard for the analysis of metals and marble for the rock specimens. The marble was analyzed beforehand using a quick thermal conductivity meter QTM. In experimental measurements of TC the mean reproducibility value appears to be about 4% while the accuracy is about 5% for the examined rocks, and better for metals. |
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