首页|(162949)EBSD study of superplasticity: New insight into a well-known phenomenon
(162949)EBSD study of superplasticity: New insight into a well-known phenomenon
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NSTL
Elsevier
Electron backscatter diffraction (EBSD) was applied to investigate the superplastic behavior of a fine-grain Al-Mg-Li alloy. It was found that microstructural changes were noticeably influenced by the occurrence of continuous dynamic recrystallization. This mechanism involved a transverse subdivision of pre-elongated grains which eventually transformed into chains of nearly-equiaxed grains. A body of experimental observations, including extensive strain hardening, marked grain elongation, the formation of pronounced substructure in interior regions of grains, and the development of crystallographic texture, provided strong evidence of large amounts of intragranular slip operating during superplastic flow.
SuperplasticityMetals and alloysElectron backscatter diffraction (EBSD)Microstructure
Mikhail Myshlyaev、Sergey Mironov、Galia Korznikova
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Baikov Institute of Metallurgy and Materials Science, Russian Academy of Science, 49 Lenin Avenue, Moscow 119991, Russia
Belgorod National Research University, 85 Pobeda, Belgorod 308015, Russia
Institute for Metals Superplasticity Problems, Russian Academy of Science, 39 Khalturin Street, Ufa 450001, Russia
NSTL
Elsevier
