Grain boundary role and behaviour during high-temperature deformation of polycrystals |
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| Authors: | R. Z. Valiev |
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| Affiliation: | (1) Institute of Metal Superplasticity Problems, Khalturina 39, 450001 Ufa, USSR |
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| Abstract: | Data concerning the phenomenology and nature of some grain boundary (GB) processes — dynamic recovery at GB and GB sliding during high temperature deformation of polycrystals are given. On the basis of these data a new model of superplasticity (SP) is discussed. The possibility of realization of SP at relatively low temperatures is shown. |
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