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Electron Beam Welding of Hot-Rolled Fe–Mn–Al–Ni Shape Memory Alloy Sheets

dc.date.accessioned2023-07-24T08:32:14Z
dc.date.available2023-07-24T08:32:14Z
dc.date.issued2023-04-25
dc.identifierdoi:10.17170/kobra-202307248454
dc.identifier.urihttp://hdl.handle.net/123456789/14912
dc.description.sponsorshipGefördert im Rahmen des Projekts DEAL
dc.language.isoeng
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectFe–Mn–Al–Nieng
dc.subjectSMAeng
dc.subjectVacuum electron beam weldingeng
dc.subjectPreheatingeng
dc.subjectAbnormal grain growtheng
dc.subjectSuperelasticityeng
dc.subjectPseudoelasticityeng
dc.subject.ddc600
dc.titleElectron Beam Welding of Hot-Rolled Fe–Mn–Al–Ni Shape Memory Alloy Sheetseng
dc.typeAufsatz
dcterms.abstractThe present study focuses on the weldability of hot-rolled Fe–Mn–Al–Ni shape memory alloy sheets by vacuum electron beam welding. Tailored process-specific welding parameters, such as preheating with electron beam or beam oscillation during welding, allowed defect-free joining with very thin weld seams and heat-affected zones. By applying a post-weld cyclic heat treatment, abnormal grain growth can be promoted across the weld seams. However, regardless of the selected welding parameters, some specimens are characterized by the formation of smaller grains within the former fusion zone. In situ incremental strain tests reveal that the former fusion zone has only a minor influence on the functional properties and is not responsible for structural failure. Thus, electron beam welding is a promising welding technology for joining Fe–Mn–Al–Ni shape memory alloys.eng
dcterms.accessRightsopen access
dcterms.creatorBauer, André
dcterms.creatorWiegand, Michael
dcterms.creatorWicke, P.
dcterms.creatorSommer, Niklas
dcterms.creatorVollmer, Malte
dcterms.creatorBöhm, Stefan
dcterms.creatorNiendorf, Thomas
dcterms.extent364-376
dc.relation.doidoi:10.1007/s40830-023-00432-2
dc.subject.swdElektronenstrahlschweißenger
dc.subject.swdVorwärmungger
dc.subject.swdKornwachstumger
dc.subject.swdPseudoelastizitätger
dc.type.versionpublishedVersion
dcterms.source.identifiereissn:2199-3858
dcterms.source.issueissue 2
dcterms.source.journalShape Memory and Superelasticityeng
dcterms.source.volumeVolume 9
kup.iskupfalse


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Namensnennung 4.0 International
Except where otherwise noted, this item's license is described as Namensnennung 4.0 International