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- Ductile-to-brittle transition and yielding in soft amorphous materials: perspectives and open questions doi link

Auteur(s): Divoux Thibaut, Agoritsas Elisabeth, Aime S., Barentin Catherine, Barrat Jean-Louis, Berthier L., Bi Dapeng, Biroli Giulio, Bonn Daniel, Bourrianne Philippe, Bouzid Mehdi, del Gado Emanuela, Delanoë-Ayari Hélène, Farain Kasra, Fielding Suzanne, Fuchs Matthias, van der Gucht Jasper, Henkes Silke, Jalaal Maziyar, Joshi Yogesh, Lemaître Anaël, Leheny Robert, Manneville Sébastien, Martens Kirsten, Poon Wilson, Popović Marko, Procaccia Itamar, Ramos L., Richards James, Rogers Simon

(Article) Publié: Soft Matter, vol. 20 p.6868-6888 (2024)
Texte intégral en Openaccess : arxiv


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DOI: 10.1039/D3SM01740K
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Résumé:

Soft amorphous materials are viscoelastic solids ubiquitously found around us, from clays and cementitious pastes to emulsions and physical gels encountered in food or biomedical engineering. Under an external deformation, these materials undergo a noteworthy transition from a solid to a liquid state that reshapes the material microstructure. This yielding transition was the main theme of a workshop held from January 9 to 13, 2023 at the Lorentz Center in Leiden. The manuscript presented here offers a critical perspective on the subject, synthesizing insights from the various brainstorming sessions and informal discussions that unfolded during this week of vibrant exchange of ideas. The result of these exchanges takes the form of a series of open questions that represent outstanding experimental, numerical, and theoretical challenges to be tackled in the near future.