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Emission of partial dislocations by grain boundaries in nanocrystalline metals

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

Book ID
110140463
Publisher
SP MAIK Nauka/Interperiodica
Year
2004
Tongue
English
Weight
156 KB
Volume
46
Category
Article
ISSN
1063-7834

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✍ I.A. Ovid’ko; A.G. Sheinerman; E.C. Aifantis 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 232 KB

Theoretical models are suggested that describe the effects of stress-driven migration of grain boundaries (GBs) on both the formation of nanoscale cracks (nanocracks) and the growth of comparatively large cracks in deformed nanocrystalline ceramics and metals. The GB migration under consideration is