Comptes Rendus
Relevance of a thermal contact resistance depending on the solid/liquid phase change transition for sprayed composite metal/ceramic powder by direct current plasma jets
Comptes Rendus. Mécanique, Volume 336 (2008) no. 7, pp. 592-599.

The thermal contact between layers plays a key role in the behaviour of composite particles (mechanofused) subjected to a high temperature jet (example of two layers metal/ceramic particles under plasma spraying). This work underlines the interest of considering a thermal contact resistance varying with the melting state of the two components along the full process. The computational model considers the time-dependent state of the particle during its flight with coupled transfers and solid/liquid/vapor phase changes.

Le contact thermique entre couches, joue un rôle important dans le comportement des particules composites à haute température (par exemple, les particules bicouches métal/céramique en projection plasma fabriquées par mécanofusion). Ce travail met en évidence l'intérêt de considérer un contact thermique fonction de l'état de fusion des deux couches sur l'ensemble du procédé de projection thermique. Le modèle prend en compte l'évolution de l'état de la particule le long de son parcours en couplant transferts et changements de phase solide/liquide/vapeur.

Received:
Accepted:
Published online:
DOI: 10.1016/j.crme.2008.05.001
Keywords: Solid–liquid–vapor phase change, Two layer particles, Thermal contact resistance
Mot clés : Changement de phase solide–liquide–vapeur, Particules bicouche, Résistance thermique de contact

Mohamed Bouneder 1; Mohammed El Ganaoui 1; Bernard Pateyron 1; Pierre Fauchais 1

1 Université de Limoges, SPCTS – UMR 66 38 CNRS, Faculté des sciences et techniques, 123, avenue Albert-Thomas, 87060 Limoges, France
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     title = {Relevance of a thermal contact resistance depending on the solid/liquid phase change transition for sprayed composite metal/ceramic powder by direct current plasma jets},
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Mohamed Bouneder; Mohammed El Ganaoui; Bernard Pateyron; Pierre Fauchais. Relevance of a thermal contact resistance depending on the solid/liquid phase change transition for sprayed composite metal/ceramic powder by direct current plasma jets. Comptes Rendus. Mécanique, Volume 336 (2008) no. 7, pp. 592-599. doi : 10.1016/j.crme.2008.05.001. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2008.05.001/

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