Title
Recent EM investigations on nano-and micro-defect structures in SMAsRecent EM investigations on nano-and micro-defect structures in SMAs
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Electron microscopy for materials research (EMAT)
Publication type
article
Publication
Lausanne :Elsevier science sa,
Subject
Physics
Chemistry
Engineering sciences. Technology
Source (journal)
Journal of alloys and compounds. - Amsterdam
Volume/pages
577(2013):s:[1], p. S705-S709
ISSN
0925-8388
ISI
000329891400146
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The present contribution reviews some recent electron microscopy investigations on different shape memory systems in which a variety of nano- and micro-defect structures play an essential role in the functional behaviour of the material. (NiTi3)-Ti-4 precipitates in Ni-Ti are a well-known example for which the focus is now on the 3D configurations, in Ni-Ti-Nb Nb-rich nanoprecipitates are thought to have a large impact on the hysteresis, in Co-Ni-Al an Al-enriched zone nearby the y'-precipitates yields a small sandwiched austenite while some first signs of quasidynamical lattice deformation in non-frozen Ni-Ti strain glass are measured by Cs-aberration-corrected transmission electron microscopy. (C) 2011 Elsevier B.V. All rights reserved.
E-info
https://repository.uantwerpen.be/docman/iruaauth/880529/cea7023.pdf
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