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Article Dans Une Revue Physical Review Letters Année : 2020

Symmetry Breaking Resulting from Long-Range Interactions in Out of Equilibrium Systems: Elastic Properties of Irradiated AgCu

Résumé

This work presents a consistent formulation of the phase-field approach to model the behavior of nonmiscible alloys under irradiation which includes elastic strain fields, an example of a long-range interaction. Simulations show that the spatial isotropy that is characteristic of radiation-induced patterns breaks down as a result of the elastic strain energy. The consequence of this is the emergence of superlattice structures under irradiation liable to modify macroscopic material properties. This approach is assessed against the experimental study of a AgCu alloy under irradiation: we compare our simulation results to measured solubility limits and Young moduli.
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Dates et versions

hal-03428359 , version 1 (15-11-2021)

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D Simeone, P Garcia, Charles-Olivier Bacri, L Luneville. Symmetry Breaking Resulting from Long-Range Interactions in Out of Equilibrium Systems: Elastic Properties of Irradiated AgCu. Physical Review Letters, 2020, 125, ⟨10.1103/physrevlett.125.246103⟩. ⟨hal-03428359⟩
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