Role of twinning in plastic deformation

A new concept of the structure of yttrium-aluminum garnet (Y 3 Al 5 O 12 ) has demonstrated the possibility of forming inversion twins in the (111) plane. The twinning processes are shown to be responsible for stress relaxation during the growth and plastic deformation of Y 3 Al 5 O 12 single crysta...

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Bibliographic Details
Published inCrystallography reports Vol. 55; no. 4; pp. 621 - 625
Main Authors Akchurin, M. Sh, Zakalyukin, R. M., Kaminsky, A. A., Kupenko, I. I.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.07.2010
Subjects
ALUMINIUM
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
CRYSTAL GROWTH
Crystallography and Scattering Methods
GARNETS
MONOCRYSTALS
Physics
Physics and Astronomy
PLASTICITY
Real Structure of Crystals
STRESS RELAXATION
TWINNING
YTTRIUM
Crystallography Report
Twin Boundary
Stress Relaxation
Mechanical Twinning
Plastic Deformation
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Summary:A new concept of the structure of yttrium-aluminum garnet (Y 3 Al 5 O 12 ) has demonstrated the possibility of forming inversion twins in the (111) plane. The twinning processes are shown to be responsible for stress relaxation during the growth and plastic deformation of Y 3 Al 5 O 12 single crystals. This way of stress relaxation can be used to describe the plastic deformation of other crystals, at least cubic ones.
ISSN:1063-7745
1562-689X
DOI:10.1134/S1063774510040140