Micro-structural analysis of self-accommodating martensites in Cu-11.92 wt%Al-3.78 wt%Ni shape memory alloy

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dc.contributor.authorSari, Ugur
dc.contributor.authorAksoy, Ilhan
dc.date.accessioned2020-06-25T17:48:03Z
dc.date.available2020-06-25T17:48:03Z
dc.date.issued2008
dc.description.abstractMorphologies and configurations of the self-accommodating martensites in Cu-11.92 wt%Al-3.78wt%Ni shape memory alloy were studied by means of scanning electron microscopy (SEM) and transmission electron microscopy (TEM). From microstructural observations, it is clearly observed that the self- accommodating martensites have typical plate group configuration. Each martensite plate group consists of four variants A, B, C, and D. Usually, variants A and C (or B and D) form characteristic spear morphology and variants A and D (or B and C) form fork morphology. Variants A and C are twin-related with respect to the ((1) over bar (2) over bar 1)(2H) mirror plane of the 2H martensite. Additionally, TEM observations reveal that two kinds of close-packed martensite structures, 2H (gamma(')(1)) and 18R (beta(')(1)) martensites, coexist in the quenched alloy. These structures occur by the localized formation of four variants of a plate group in a self-accommodating manner to minimize the total shape change. (c) 2007 Elsevier B.V. All rights reserved.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/j.jmatprotec.2007.04.116
dc.identifier.endpage76en_US
dc.identifier.issn0924-0136
dc.identifier.issue1-3en_US
dc.identifier.scopus2-s2.0-36549028275
dc.identifier.scopusqualityQ1
dc.identifier.startpage72en_US
dc.identifier.urihttps://doi.org10.1016/j.jmatprotec.2007.04.116
dc.identifier.urihttps://hdl.handle.net/20.500.12587/4275
dc.identifier.volume195en_US
dc.identifier.wosWOS:000252230900010
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Saen_US
dc.relation.ispartofJournal Of Materials Processing Technology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectshape memory alloy (SMA)en_US
dc.subjectself accommodationen_US
dc.subjectmartensite varianten_US
dc.subjecttransmission electron microscopy (TEM)en_US
dc.subjectscanning electron microscopy (SEM)en_US
dc.titleMicro-structural analysis of self-accommodating martensites in Cu-11.92 wt%Al-3.78 wt%Ni shape memory alloyen_US
dc.typeArticle

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