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Simple method for the identification of electrical and thermal contact resistances in spark plasma sintering

Van Der Laan, Antoine and Boyer, Valérie and Epherre, Romain and Estournès, Claude Simple method for the identification of electrical and thermal contact resistances in spark plasma sintering. (2021) Journal of the European Ceramic Society, 41 (1). 599-610. ISSN 0955-2219

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Official URL: https://doi.org/10.1016/j.jeurceramsoc.2020.08.073

Abstract

The electrical and thermal contact resistances are key parameters for obtaining an accurate electro-thermal model of the spark plasma sintering (SPS) process. However, due to the lack of a general expression, these parameters are usually determined empirically. Thus, they are only valid for a specific material and SPS configuration. A simple method based on a limited amount of experiments as well as a new formulation of the electrical and thermal contact resistances are developed. First, the evolution of those resistances is optimized on simple shapes (pellets) experiments. They are then transferred into the electro-thermal simulation of complex shapes configurations, which showed a good agreement between the experimental and computed data.

Item Type:Article
Additional Information:vero
HAL Id:hal-03040861
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
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Deposited On:04 Dec 2020 13:45

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