Nature
Quantifying grain boundary deformation mechanisms in small-grained metals.
Romain Gautier, Frédéric Mompiou, Oliver Renk, Christophe Coupeau, Nicolas Combe, Gregory Seine, Marc Legros
Published: 202510.1038/s41586-025-09800-7
Abstract
Dislocations are the crystalline defects responsible for the mechanical properties of conventional metals and alloys. When they become scarce or constrained, such as in nanocrystals1, grain-boundary-based mechanisms may compensate and lead to permane…
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