The effect of employed loading mode on the mechanical cyclic stabilization of NiTi shape memory alloys

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dc.contributor.authorDilibal, Savaş
dc.contributor.authorHamilton, Reginald F.
dc.contributor.authorLanba, Asheesh
dc.date.accessioned2024-06-13T20:18:01Z
dc.date.available2024-06-13T20:18:01Z
dc.date.issued2017
dc.departmentFakülteler, Mühendislik Fakültesi, Mekatronik Mühendisliği Bölümü
dc.description.abstractOne of the effective parameters on the characteristic response of the nickel-titanium (NiTi) shape memory alloy (SMA) is the employed loading mode during the uniaxial cycling. In this study, the uniaxial tensile tests are conducted under an extended number of mechanical cycles in order to investigate the effect of force control on the pseudoelastic response of the NiTi SMA. The results which are obtained under the force control are compared with the mixed (force/displacement) control counterpart. An evolutionary stress-strain pattern is observed during the 100 cycles of mechanical loading. Additionally, it is noticed that the residual strain and mechanical hysteresis area also show an evolutionary pattern. The observed evolutionary patterns are delineated in three regimes: (i) early evolution; (ii) approach to a nearly stable stage (transient); and (iii) stabilization stage. Furthermore, the in-situ digital image correlation (DIC) is applied to receive the meso-/micro-scale full-field strain measurements. Severe strain localization is observed under force-controlled tensile test during meso-,/ micro-scale DIC analysis.
dc.identifier.doi10.1016/j.intermet.2017.05.014
dc.identifier.endpage9
dc.identifier.issn0966-9795
dc.identifier.issn1879-0216
dc.identifier.scopus2-s2.0-85019558844
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://doi.org/10.1016/j.intermet.2017.05.014
dc.identifier.urihttps://hdl.handle.net/11501/1167
dc.identifier.volume89
dc.identifier.wosWOS:000407524300001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor0000-0003-4777-7995
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofIntermetallics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectNickel-Titanium
dc.subjectMechanical Cycling
dc.subjectPseudoelastic Response
dc.subjectUniaxial Tensile Test
dc.titleThe effect of employed loading mode on the mechanical cyclic stabilization of NiTi shape memory alloys
dc.typeArticle

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