Plastic yielding and deformation bursts in the presence of disorder from coherent precipitates

Alloying metals with other elements is often done to improve the material strength or hardness. A key microscopic mechanism is precipitation hardening, where precipitates impede dislocation motion, but the role of such obstacles in determining the nature of collective dislocation dynamics remains to...

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Veröffentlicht in:	arXiv.org 2020-07
Hauptverfasser:	Salmenjoki, Henri, Lehtinen, Arttu, Laurson, Lasse, Alava, Mikko J
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloying elements Crystal dislocations Crystals Density Face centered cubic lattice Jamming Physics - Computational Physics Physics - Materials Science Physics - Statistical Mechanics Precipitates Precipitation hardening Single crystals Yield stress
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