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Progress in Plasma Processing of Materials, 1999

ISBN:
1-56700-126-2 (Print)

3-D MODELING OF THE PLASMA CO-SPRAYING OF TWO DISSIMILAR MATERIALS

B. Dussoubs
Equipe "Plasma Laser Matériaux", ESA CNRS 6015, Université de Limoges, 123 Avenue Albert Thomas, 87060 Limoges - France

Armelle Vardelle
ENSIL, ESTER Technopole, 87068 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

Abstract

The co-spraying of a ceramic and a metallic powder for the manufacturing of functionally graded plasma-sprayed coatings is investigated by using a 3-D commercial Computational Fluid Dynamics code, ESTET 3.2. The operating conditions of the plasma torch are kept constant and various configurations of the powder injection in the plasma flow are discussed.