High-fidelity modeling of interface crossing in the diffusion welding process at the polycrystalline scale
Camille Godinot
1,2,3, Emmanuel Rigal1, Frédéric Bernard
2, Philippe Emonot1, Pierre-Eric Frayssines1, Luc Védie1,3, Marc Bernacki3*
1CEA, LCA Laboratory, Grenoble, France.
2Europe Burgundy University, ICB, UMR CNRS, Dijon, France.
3Mines Paris, PSL University, Centre for Material Forming (CEMEF), UMR CNRS, 06904 Sophia Antipolis, France.
*corresponding author
DOI:
https://doi.org/10.7494/cmms.2025.4.1034
Abstract:
Controlling the microstructure of a diffusion welded interface is a critical point to ensure optimum mechanical properties and the homogeneity of the joint. Beyond the intimate contact formation between bonded parts studied in the literature, this article focuses on the grain boundary crossing of the interface during this process and its measurement. Following this perspective, a level-set method has been used for full-field microstructure simulations in 2D with various interface parameters. Two crossing measurement models have been formulated, tested and discussed over the simulations.
Cite as:
Godinot, C., Rigal, E., Bernard, F., Emonot, P., Frayssines, P., Védie, L., Bernacki, M. (2025). High-fidelity modeling of interface crossing in the diffusion welding process at the polycrystalline scale. Computer Methods in Materials Science, 25(4), – . https://doi.org/10.7494/cmms.2025.4.1034
Article (PDF):
Accepted Manuscript – final pdf version coming soon
Keywords:
diffusion welding, interface crossing, pore closure, healing, level-set, high-fidelity simulation
Publication dates:
Received: 04.11.2025, accepted: 09.02.2026, published: XX.03.2026
Publication type:
Original scientific paper
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