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Electrochemical polarization behavior and superelastic properties of a Fe–Mn–Al–Ni–Cr shape memory alloy

dc.date.accessioned2023-03-20T17:18:36Z
dc.date.available2023-03-20T17:18:36Z
dc.date.issued2022-10-22
dc.identifierdoi:10.17170/kobra-202303157639
dc.identifier.urihttp://hdl.handle.net/123456789/14513
dc.description.sponsorshipGefördert im Rahmen des Projekts DEALger
dc.description.sponsorshipDeutsche Forschungsgemeinschaft. Grant Number: 447247560ger
dc.language.isoengeng
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectelectrochemical impedance spectroscopyeng
dc.subjectFe–Mn–Al–Ni–Creng
dc.subjectiron-based shape memory alloyeng
dc.subjectpassive filmseng
dc.subjectpitting corrosioneng
dc.subjectpotentiodynamic polarizationeng
dc.subjectpseudoelasticityeng
dc.subject.ddc660
dc.titleElectrochemical polarization behavior and superelastic properties of a Fe–Mn–Al–Ni–Cr shape memory alloyeng
dc.typeAufsatz
dcterms.abstractThe present study investigates the corrosion behavior of a Fe–Mn–Al–Ni–Cr shape memory alloy in a 5.0 wt% NaCl solution in combination with the functional properties. In a single crystalline condition, the investigated alloy shows a superior superelastic response with a maximum recovery strain of 5.2%. Furthermore, the results of the potentiodynamic polarization and impedance spectroscopy show that the addition of chromium generally improves corrosion resistance by increasing the resistance to localized corrosion. The single crystalline condition, which is characterized by an austenitic matrix and scattered martensite plates, shows an enhanced, however, still unstable passive behavior due to the formation of corrosion pits along the martensite plates.eng
dcterms.accessRightsopen access
dcterms.creatorFrenck, Johanna-Maria
dcterms.creatorVollmer, Malte
dcterms.creatorNiendorf, Thomas
dc.relation.doidoi:10.1002/maco.202213538
dc.relation.projectidGrant Number: 447247560
dc.subject.swdImpedanzspektroskopieger
dc.subject.swdMemory-Legierungger
dc.subject.swdElektrochemische Polarisationger
dc.subject.swdLochfraßkorrosionger
dc.subject.swdPseudoelastizitätger
dc.type.versionpublishedVersion
dcterms.source.identifiereissn:1521-4176
dcterms.source.issueIssue 3
dcterms.source.journalMaterials and Corrosioneng
dcterms.source.pageinfo441-451
dcterms.source.volumeVolume 74
kup.iskupfalse


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