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Measuring thermal conductivity of powders with differential scanning calorimetry

This paper simplifies a recently proposed method for measuring the thermal conductivity of powders using differential scanning calorimetry (DSC) (Sa´nchez-Rodríguez et al. in J Therm Anal Calorim 121:469-473, 2015). With this method, a crucible is filled with powder and a spherical metal reference is partially sunk into it. The thermal resistance between the metal and the crucible wall at the metal melting point is obtained from the DSC melting peak slope. In the simplified method outlined in this paper, a cylindrical pan is substituted for the original hemispherical crucible. The equivalence of both methods is demonstrated with alumina powder and commercial cylindrical crucibles of several sizes and aspect ratios

This work was partially funded by the Spanish Programa Nacional de Materiales through project MAT2014-51778-C2-2-R

Springer Verlag

Manager: Ministerio de Economía y Competitividad (Espanya)
Author: Pujula, Miquel
Sánchez-Rodríguez, Daniel
López-Olmedo, Joan Pere
Farjas Silva, Jordi
Roura Grabulosa, Pere
Date: 2018 June 5
Abstract: This paper simplifies a recently proposed method for measuring the thermal conductivity of powders using differential scanning calorimetry (DSC) (Sa´nchez-Rodríguez et al. in J Therm Anal Calorim 121:469-473, 2015). With this method, a crucible is filled with powder and a spherical metal reference is partially sunk into it. The thermal resistance between the metal and the crucible wall at the metal melting point is obtained from the DSC melting peak slope. In the simplified method outlined in this paper, a cylindrical pan is substituted for the original hemispherical crucible. The equivalence of both methods is demonstrated with alumina powder and commercial cylindrical crucibles of several sizes and aspect ratios
This work was partially funded by the Spanish Programa Nacional de Materiales through project MAT2014-51778-C2-2-R
Document access: http://hdl.handle.net/2072/321086
Language: eng
Publisher: Springer Verlag
Rights: Tots els drets reservats
Subject: Calorimetria
Anàlisi tèrmica
Calorimetry
Thermal analysis
Conductivitat tèrmica
Thermal conductivity
Title: Measuring thermal conductivity of powders with differential scanning calorimetry
Type: info:eu-repo/semantics/article
Repository: Recercat

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