Title
Focused ion beam/scanning electron microscopy tomography and conventional transmission electron microscopy assessment of <tex>$Ni_{4}Ti_{3}$</tex> morphology in compression-aged Ni-rich Ni-Ti single crystalsFocused ion beam/scanning electron microscopy tomography and conventional transmission electron microscopy assessment of <tex>$Ni_{4}Ti_{3}$</tex> morphology in compression-aged Ni-rich Ni-Ti single crystals
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Electron microscopy for materials research (EMAT)
Condensed Matter Theory
Publication type
article
Publication
Oxford,
Subject
Physics
Source (journal)
Scripta materialia. - Oxford
Volume/pages
62(2010):6, p. 399-402
ISSN
1359-6462
ISI
000275072700020
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The size, morphology and configuration of Ni4Ti3 precipitates in a single-crystal NiTi alloy have been investigated by two-dimensional transmission electron microscopy-based image analysis and three-dimensional reconstruction from slice-and-view images obtained in a focused ion beam/scanning electron microscopy (FIB/SEM) dual-beam system. Average distances between the precipitates measured along the compression direction correlate well between both techniques, while particle shape and configuration data is best obtained from FIB/SEM. Precipitates form pockets of B2 of 0.54 ìm in the compression direction and 1 ìm perpendicular to the compression direction.
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