Journal of Thermal Spray Technology

, Volume 26, Issue 8, pp 1838–1850 | Cite as

A Morphological Approach to the Modeling of the Cold Spray Process

  • F. Delloro
  • M. Jeandin
  • D. Jeulin
  • H. Proudhon
  • M. Faessel
  • L. Bianchi
  • E. Meillot
  • L. Helfen
Peer Reviewed


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.


cold spray modeling of coating formation process modeling splat morphology tomography 

List of Abbreviations


Finite elements


Scanning electron microscopy


European synchrotron radiation facility


X-ray microtomography


Principal axes of inertia


Principal component analysis


Equation of state


Arbitrary Lagrangian–Eulerian



The authors are grateful to CEA DAM and to the Institute Carnot-M.I.N.E.S. for the financial support of this study.


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Copyright information

© ASM International 2017

Authors and Affiliations

  • F. Delloro
    • 1
  • M. Jeandin
    • 1
  • D. Jeulin
    • 2
  • H. Proudhon
    • 1
  • M. Faessel
    • 2
  • L. Bianchi
    • 3
  • E. Meillot
    • 4
  • L. Helfen
    • 5
  1. 1.Centre des Matériaux, Competence Centre for Spray Processing (C2P)MINES ParisTechParisFrance
  2. 2.Centre de Morphologie Mathématique, Mathématique et SystèmesMINES ParisTechParisFrance
  3. 3.Establissement SAFRAN PARIS-SACLAYChâteaufortFrance
  4. 4.CEA, LPThMontsFrance
  5. 5.ESRFGrenobleFrance

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