Articles | Volume 6, issue 2
Research article
11 Aug 2015
Research article |  | 11 Aug 2015

An analysis of the particulate flow in cold spray nozzles

M. Meyer and R. Lupoi

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Subject: Machining and Manufacturing Processes | Techniques and Approaches: Numerical Modeling and Analysis
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Cited articles

Champagne, V.: The cold spray materials deposition process, Woodhead Publishing Limited, Cambridge CB21 6AH, England, 2007.
Champagne, V. K., Helfritch, D. J., Dinavahi, S. P. G., and Leyman, P. F.: Theoretical and Experimental Particle Velocity in Cold Spray, J. Therm. Spray Techn., 20, 425–431, 2010.
Easter, G.: Thermal Spraying – Plasma, Arc and Flame Spray Technology, Wexford College Press, Palm Springs, CA, 2008.
FLUENT: FLUENT Manual, FLUENT Inc., Lebanon, NH, 2012.
Fu, Y., Wang, T., and Gu, C.: Experimental and numerical analyses of gas-solid-multiphase jet in cross-flow, Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 227, 61–79, 2012.
Short summary
Cold Spray is a novel technology for the application of coatings, in which bonding is realized by the acceleration of powder particles through a carrier gas and their high speed impact over a substrate material. Different nozzle designs are shown experimentally to vary in deposition efficiency, which cannot be explained by standard computational simulations. In order to amend the modelling techniques, a stronger coupling of solid and gas phase is employed, which provided improved results.