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Effect of cracks on grain boundary migration in nanocrystalline ceramics and metals

✍ Scribed by N. F. Morozov; I. A. Ovid’ko; A. G. Sheĭnerman

Book ID
110206925
Publisher
SP MAIK Nauka/Interperiodica
Year
2008
Tongue
English
Weight
266 KB
Volume
53
Category
Article
ISSN
1028-3358

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Stress-driven migration of grain boundaries and fracture processes in nanocrystalline ceramics and metals
✍ 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