Title
EM characterization of precipitates in as-cast and annealed <tex>$Ni_{45.5}Ti_{45.5}Nb_{9}$</tex> shape memory alloys EM characterization of precipitates in as-cast and annealed <tex>$Ni_{45.5}Ti_{45.5}Nb_{9}$</tex> shape memory alloys
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
conferenceObject
Publication
Lausanne ,
Subject
Physics
Source (journal)
Materials science forum. - Lausanne, 1984, currens
Volume/pages
738/739(2013) , p. 113-117
ISSN
0255-5476
1662-9752
ISI
000316089000020
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
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.
E-info
https://repository.uantwerpen.be/docman/iruaauth/d87fd0/1572799.pdf
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