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Observation of intrinsic and extrinsic secondary grain boundary dislocations in (001) high angle twist boundaries in MgO

Journal Article · · Scr. Metall.; (United States)
;

An electron microscope was used to investigat grain boundary dislocation (GBD) in MgO using bicrystals of controlled geometry. Intrinsic and extrinsic GBD were observed in high angle grain boundaries. It is suggested by this study that GBD may be similar to those found in metals. (FS)

Research Organization:
Massachusetts Inst. of Technology, Cambridge
OSTI ID:
5897524
Journal Information:
Scr. Metall.; (United States), Journal Name: Scr. Metall.; (United States) Vol. 13:8; ISSN SCRMB
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
DISLOCATIONS
ELECTRON MICROSCOPY
GRAIN BOUNDARIES
LINE DEFECTS
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MICROSCOPY
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS