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Dislocation emission from deformation-distorted grain boundaries in ultrafine-grained materials

✍ Scribed by Ovid’ko, I.A.; Sheinerman, A.G.; Valiev, R.Z.

Book ID
121460351
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
470 KB
Volume
76
Category
Article
ISSN
1359-6462

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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