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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN Imprimer: 1093-3611
ISSN En ligne: 1940-4360

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

DOI: 10.1615/HighTempMatProc.v8.i3.30
pages 353-379

STUDY OF DROPLET BEHAVIOUR AT IMPACT IN PLASMA SPRAYING

J. Cedelle
SPCTS Laboratory, University of Limoges, France
Michel Vardelle
LMCTS-URA 320, University of Limoges, 123 Avenue Albert Thomas -87060 Limoges Cedex - France
Bernard Pateyron
Laboratoire SPCTS UMR CNRS 7315, ENSCI, Centre Europeen de la Ceramique, Limoges, France
Pierre Fauchais
Laboratoire Sciences des Procedes Ceramiques et de Traitements de Surface UMR CNRS 6638 University of Limoges 123 avenue Albert Thomas, 87060 LIMOGES - France

RÉSUMÉ

This paper is devoted to an experimental investigation of the different splashing phenomena (impact and flattening) when a plasma sprayed single particle impacts on a flat substrate. This research is carried out using an imaging technique with a fast CCD camera aimed either parallel to the substrate for impact splashing or almost orthogonal to it for flattening splashing. The correlation of the image with the results of a set allowing to determine particle parameters in flight just prior to their impact allows a better understanding of the splashing processes.


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