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DOI: 10.1615/ICHMT.2008.CHT.1900
page 6

Kh. Fataoui
University of Limoges, SPCTS UMR6638, Avenue Albert Thomas 87060 Limoges, France; and University Chouaib Doukkali, Faculty of Science, 24000 El Jadida, Morocco

Bernard Pateyron
Laboratoire SPCTS UMR CNRS 7315, ENSCI, Centre Europeen de la Ceramique, Limoges, France


The particles projected by arc plasma are generally of micrometric size (including in general between 10 and 100 μm ) in conventional projection and their impact velocity ranges from 50 to 350 m/s. characteristic times for the formation of a plate are about a microsecond: less than 5 μs for the duration of spreading of the particle melted with a solidification which can start before the end of the spreading stage and continues in general between 0.8 and 10 μm after the impact [1]. It is a question here of numerically studying the complex coupling by using a model which will be first validated in comparison with available results of particles spreading (large size and low impact velocity < 1 m/s).

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