Dislocation Substructures Formed After Fracture of Deformed Polycrystalline Cu–Al Alloys


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The paper deals with the dislocation substructure of polycrystalline FCC alloys modified by plastic deformation at a distance from the area of the specimen fracture. Observations are performed using the transmission electron microscopy. Cu–Al alloys with grain size ranging from 10 to 240 μm are studied in this paper. The parameters of the dislocation substructure are measured and their variation is determined by the increasing distance from the fracture area. It is shown how the grain size influences these processes. The different dislocation substructures which determine the specimen fracture at a mesocscale level are found herein.

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N. Koneva

Tomsk State University of Architecture and Building

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Email: koneva@tsuab.ru
俄罗斯联邦, Tomsk

L. Trishkina

Tomsk State University of Architecture and Building

Email: koneva@tsuab.ru
俄罗斯联邦, Tomsk

T. Cherkasova

Tomsk State University of Architecture and Building

Email: koneva@tsuab.ru
俄罗斯联邦, Tomsk

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