In-situ observation of the initiation of plasticity by nucleation of prismatic dislocation loops

Prismatic dislocation loops (PDLs) form during the elastic-to-plastic transition of a dislocation-free volume under nanoindentation. Here the authors observe the initial plasticity and burst-like emission of PDLs in Au nanowires by in-situ transmission electron microscopy, elucidating fundamental as...

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Autores principales: Subin Lee, Aviral Vaid, Jiseong Im, Bongsoo Kim, Arun Prakash, Julien Guénolé, Daniel Kiener, Erik Bitzek, Sang Ho Oh
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/e19c3260c3a54eddb6f8a00a71fc1e0f
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Sumario:Prismatic dislocation loops (PDLs) form during the elastic-to-plastic transition of a dislocation-free volume under nanoindentation. Here the authors observe the initial plasticity and burst-like emission of PDLs in Au nanowires by in-situ transmission electron microscopy, elucidating fundamental aspects of the formation process.