[Expérience benchmark quasi-2D pour la solidification d'un alliage binaire étain–plomb]
La présente étude consiste à analyser expérimentalement la solidification de l'étain pur et de l'alliage binaire d'étain Sn-10wt.%Pb. L'expérience consiste à solidifier un lingot parallélépipédique de faible épaisseur à l'aide de deux échangeurs latéraux qui permettent d'appliquer une différence de température entre les deux parois latérales et verticales. Un réseau de cinquante thermocouples placés sur la grande face latérale permet d'accéder à la distribution instantanée de la température. L'analyse post-mortem du lingot fournit la structure de solidification. Nous présentons les cas avec le gradient de température nul et des taux de refroidissement de 0,02 et 0,04 K/s respectivement. L'évolution temporelle du flux de chaleur et du champ de la température est mesurée et analysée. Ceci nous permet d'évaluer l'évolution de transfert thermique due à la convection normale, ainsi que son influence sur la macrostructure de solidification.
A horizontal solidification benchmark experiment with pure tin and a binary alloy of Sn-10 wt.%Pb is proposed. The experiment consists in solidifying a rectangular sample using two lateral heat exchangers which allow the application a controlled horizontal temperature difference. An array of fifty thermocouples placed on the lateral wall permits the determination of the instantaneous temperature distribution. The cases with the temperature gradient
Mots-clés : Transferts thermiques, Solidification, Benchmark, Convection naturelle, Champ température
Xiao Dong Wang 1 ; Patrick Petitpas 1 ; Christian Garnier 1 ; Jean-Pierre Paulin 1 ; Yves Fautrelle 1
@article{CRMECA_2007__335_5-6_336_0,
author = {Xiao Dong Wang and Patrick Petitpas and Christian Garnier and Jean-Pierre Paulin and Yves Fautrelle},
title = {A quasi two-dimensional benchmark experiment for the solidification of a tin{\textendash}lead binary alloy},
journal = {Comptes Rendus. M\'ecanique},
pages = {336--341},
publisher = {Elsevier},
volume = {335},
number = {5-6},
year = {2007},
doi = {10.1016/j.crme.2007.05.009},
language = {en},
}
TY - JOUR AU - Xiao Dong Wang AU - Patrick Petitpas AU - Christian Garnier AU - Jean-Pierre Paulin AU - Yves Fautrelle TI - A quasi two-dimensional benchmark experiment for the solidification of a tin–lead binary alloy JO - Comptes Rendus. Mécanique PY - 2007 SP - 336 EP - 341 VL - 335 IS - 5-6 PB - Elsevier DO - 10.1016/j.crme.2007.05.009 LA - en ID - CRMECA_2007__335_5-6_336_0 ER -
%0 Journal Article %A Xiao Dong Wang %A Patrick Petitpas %A Christian Garnier %A Jean-Pierre Paulin %A Yves Fautrelle %T A quasi two-dimensional benchmark experiment for the solidification of a tin–lead binary alloy %J Comptes Rendus. Mécanique %D 2007 %P 336-341 %V 335 %N 5-6 %I Elsevier %R 10.1016/j.crme.2007.05.009 %G en %F CRMECA_2007__335_5-6_336_0
Xiao Dong Wang; Patrick Petitpas; Christian Garnier; Jean-Pierre Paulin; Yves Fautrelle. A quasi two-dimensional benchmark experiment for the solidification of a tin–lead binary alloy. Comptes Rendus. Mécanique, Melting and solidification: processes and models, Volume 335 (2007) no. 5-6, pp. 336-341. doi : 10.1016/j.crme.2007.05.009. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2007.05.009/
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