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Enhanced dislocation emission from grain boundaries in nanocrystalline materials

✍ Scribed by I.A. Ovid’ko; N.V. Skiba

Book ID
113899492
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
347 KB
Volume
67
Category
Article
ISSN
1359-6462

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✍ Masaharu Kato 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 696 KB

As an attempt to understand the temperature and strain-rate dependence of strength in nanocrystalline and ultrafine-grained materials, thermally activated depinning process has been incorporated into a dislocation bow-out model from a grain boundary. Such quantities as activation energy, activation