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1511 |
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Wednesday, June 04, 2008, Auditorium 2 2:00 PM Cold Spraying 3 Everything around this young thermal spraying technique, possible applications and latest developments for equipment of high pressure and low pressure cold spraying, models and simulations for a deeper process knowledge |
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Evidence of the 2-stage build-up process in cold spray from the study of influence of powder characteristics on Ti-6Al-4V coating |
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Dimitris. K. Christoulis* / Ecole des Mines de Paris, C2P-Competence Center for spray Processing,
C.N.R.S.-U.M.R 7633
, France Francois Borit / Ecole des Mines de Paris - ParisTech, Centre des Matériaux (CNRS 7633), C2P-Centre de Compétence en Procédés de Projection (C2P), France Vincent Guipont/ Ecole des Mines de Paris - ParisTech, Centre des Matériaux (CNRS 7633), C2P-Centre de Compétence en Procédés de Projection (C2P), France Michel Jeandin/ Ecole des Mines de Paris - ParisTech, Centre des Matériaux (CNRS 7633), C2P-Centre de Compétence en Procédés de Projection (C2P), , Paris |
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Over the last years one of the most important parameters for the successful formation of a cold sprayed coating is the velocity of the particles. Many researchers have already mentioned the existence of a critical velocity. Cold sprayed coatings are formed when the particle velocity (Vp) is higher than the critical velocity (Vcr), while a severe erosion of the substrate is occurred when Vp |