A Morphological Approach to the Modeling of the Cold Spray Process

A coating buildup model was developed, the aim of which was simulating the microstructure of a tantalum coating cold sprayed onto a copper substrate. To do so, first was operated a fine characterization of the irregular tantalum powder in 3D, using x-ray microtomography and developing specific image...

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Bibliographic Details
Published in:Journal of thermal spray technology 2017-12, Vol.26 (8), p.1838-1850
Main Authors: Delloro, F., Jeandin, M., Jeulin, D., Proudhon, H., Faessel, M., Bianchi, L., Meillot, E., Helfen, L.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Engineering Sciences
Machines
Manufacturing
Materials
Materials Science
Peer Reviewed
Processes
Surfaces and Interfaces
Thin Films
Tribology
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Summary:A coating buildup model was developed, the aim of which was simulating the microstructure of a tantalum coating cold sprayed onto a copper substrate. To do so, first was operated a fine characterization of the irregular tantalum powder in 3D, using x-ray microtomography and developing specific image analysis algorithms. Particles were grouped by shape in seven classes. Afterward, 3D finite element simulations of the impact of the previously observed particles were realized. To finish, a coating buildup model was developed, based on the results of finite element simulations of particle impact. In its first version, this model is limited to 2D.
ISSN:1059-9630
1544-1016
DOI:10.1007/s11666-017-0624-8