Dear Colleagues,

The mechanical and functional properties of metallic materials are strongly related to their microstructures, which are themselves inherited from thermal and mechanical processing. The understanding and modeling of microstructural evolutions, at the polycrystal scale are thus of prime importance for the control of the final in-use material properties (mechanical strength, fatigue limit, crack resistance, stress corrosion resistance, etc.). Being able to accurately predict the microstructure obtained after complex processing routes recently became crucial for the metallurgy industry and remains a real challenge from a scientific point of view. Completing this challenge requires the development of numerical modeling capabilities based on realistic description of the intricate multiscale physical phenomena undergone by the material. In this context, numerous mesoscale methods have been developed, over the last decades, to simulate migration of grain boundaries at the polycrystal scale. Nowadays, new challenges, arising from an ever-increasing complexity of metallic alloys coupled to a better understanding of the involved mechanisms and a surge in the available experimental data, await responses. We propose, in this Special Issue, to focus on recent trends and advances concerning full field simulations of grain boundary migration at the polycrystal scale in metallic materials.

Prof. Marc Bernacki
Guest Editor

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• Grain boundary migration
• Recrystallization
• Grain growth
• Nucleation
• Full field methods
• Multi phase field models
• Cellular Automata approaches
• Vertex methods
• Monte Carlo algorithms
• Level Set method