Microstructure and Texture of Y123 Ceramics after Hot Deformation by Torsion Under Pressure

The method of EBSD analysis has been used to investigate the microstructure and texture of the YBa 2 Cu 3 O 7–х (Y123) ceramics, deformed by hot torsion under quasi-hydrostatic pressure. It is shown that the local average grain size does not depend on the distance to the center of the sample. The te...

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Bibliographic Details
Published inRussian physics journal Vol. 58; no. 6; pp. 762 - 766
Main Authors Imayev, M. F., Kabirova, D. B., Pavlova, V. V.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.10.2015
Springer
Subjects
Ceramic materials
Ceramics
Condensed Matter Physics
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Superconductors
Theoretical
ceramics
degree of deformation
Cu
microstructure
texture
torsion under pressure
YBa
EBSD
O
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Summary:The method of EBSD analysis has been used to investigate the microstructure and texture of the YBa 2 Cu 3 O 7–х (Y123) ceramics, deformed by hot torsion under quasi-hydrostatic pressure. It is shown that the local average grain size does not depend on the distance to the center of the sample. The texture along a radius of the samples is inhomogeneous. The presence of a ring-shaped region with very weak texture has been detected both in a sample with strong texture and in a sample with weak average texture.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-015-0564-z