Title
Advanced TEM and SEM methods applied to 3D nano- and microstructural investigations of <tex>$Ni_{4}Ti_{3}$</tex> precipitates in Ni-Ti (SMA)
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Vaduz ,
Subject
Physics
Source (journal)
Diffusion and defect data : solid state data : part B : solid state phenomena. - Vaduz, 1988, currens
Volume/pages
172/174(2011) , p. 229-235
ISSN
1662-9779
ISI
000303359700036
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Two different kinds of experimental approaches yielding three-dimensional structural information on metastable semi-coherent precipitates are demonstrated. By combining high-resolution images from two independent viewing directions a full description of the strain field surrounding a nano-sized Ni4Ti3 precipitate in Ni-Ti can be obtained. The principal axes and strains correlate well with the transformation strain of the observed R-phase transformation close to the precipitate. Using a slice-and-view procedure in a FIB/SEM dual-beam instrument, a three-dimensional voxel dataset is produced from which morphological and distributional information on the same precipitates can be obtained yielding new insight into the particular transformation paths of these alloys, relevant for their functional behaviour.
E-info
https://repository.uantwerpen.be/docman/iruaauth/eb9ecf/f2bbafd1b0e.pdf
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Handle