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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN Print: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v4.i1.40
10 pages

HEAT TRANSFER DURING THE SPREADING AND SOLIDIFICATION OF A MOLTEN METAL DROPLET ON A COOLED SUBSTRATE

T. Loulou
Laboratoire de Thermocinetique, UMR CNRS 6607 La Chantrerie, B.P. 90604, 44306, Nantes Cedex 3, France
Jean Pierre Bardon
Laboratoire de thermocinetique, UMR CNRS 6607 Ecole Polytechnique de l'Universite de Nantes BP 50609, 44306 Nantes cedex 03, France

ABSTRACT

This paper presents an experimental study of the solidification of a molten metal drop after its impact on a cold substrate. Temperature measurements were conducted during the spreading process of the drop in the drop and the substrate. The spreading of the molten metal drop was visualized and linked to the heat transfer process. The thermal contact resistance between casting and substrate was estimated by matching the experimental data with the predictions of 1-D heat transfer model. Some results are presented to illustrate the effect of the casting material and its thermophysical properties on the heat transfer at the interface between casting and the substrate.


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