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Dislocation loop nucleation and plastic deformation of nanocrystalline materials

✍ Scribed by M. Yu. Gutkin; I. A. Ovid’ko


Book ID
111494181
Publisher
Allerton Press Inc
Year
2007
Tongue
English
Weight
268 KB
Volume
42
Category
Article
ISSN
0025-6544

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Homogeneous nucleation of dislocation lo
✍ M.Yu. Gutkin; I.A. Ovid’ko 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 574 KB

A special mechanism of dislocation nucleation in deformed nanocrystalline metals and ceramics is theoretically described. The mechanism represents non-local homogeneous nucleation of a nanoscale loop of ''non-crystallographic" partial dislocation whose Burgers vector magnitude continuously grows dur