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Title
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EM characterization of precipitates in as-cast and annealed shape memory alloys
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Author
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Abstract
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| Nb-rich precipitates in the matrix of as-cast and annealed Ni45.5Ti45.5Nb9 alloys are investigated by scanning and scanning transmission electron microscopy, including slice-and-view and geometric phase analysis (GPA). The Nb-rich bcc nano-precipitates in the as-cast alloy have a 10% lattice parameter difference with the B2 matrix and reveal compensating interface dislocations. The 3D reconstruction of the configuration of small Nb-rich precipitates in the annealed alloy reveals a wall-like distribution of precipitates, which may increase the thermal hysteresis of the material. |
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Language
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English
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Source (journal)
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Materials science forum. - Lausanne, 1984, currens
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Publication
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Lausanne
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2013
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ISSN
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0255-5476
[print]
1662-9752
[online]
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DOI
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10.4028/WWW.SCIENTIFIC.NET/MSF.738-739.113
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Volume/pages
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738/739
(2013)
, p. 113-117
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ISI
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000316089000020
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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