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Title
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Recent EM investigations on nano-and micro-defect structures in SMAs
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Author
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Abstract
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| 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. |
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Language
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English
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Source (journal)
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Journal of alloys and compounds. - Amsterdam
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Publication
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Lausanne
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Elsevier science sa
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2013
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ISSN
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0925-8388
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DOI
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10.1016/J.JALLCOM.2011.10.112
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Volume/pages
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577
:s:[1]
(2013)
, p. S705-S709
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ISI
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000329891400146
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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