On the Effect of Quenching on Postweld Heat Treatment of Friction-Stir-Welded Aluminum 7075 Alloy

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dc.date.accessioned2023-12-22T09:41:26Z
dc.date.available2023-12-22T09:41:26Z
dc.date.issued2019
dc.descriptionThis version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections.eng
dc.identifierdoi:10.17170/kobra-202312229269
dc.identifier.urihttp://hdl.handle.net/123456789/15318
dc.language.isoeng
dc.relation.doidoi:10.1007/s11665-019-04252-3
dc.rightsUrheberrechtlich geschützt
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/
dc.subjectaluminum 7075eng
dc.subjectfriction stir weldingeng
dc.subjectmechanical propertieseng
dc.subjectmicrostructureeng
dc.subjectpostweld heat treatmenteng
dc.subject.ddc600
dc.subject.ddc620
dc.subject.swdAluminiumlegierungger
dc.subject.swdRührreibschweißenger
dc.subject.swdMechanische Eigenschaftger
dc.subject.swdMikrostrukturger
dc.subject.swdQuenchingger
dc.subject.swdWärmebehandlungger
dc.titleOn the Effect of Quenching on Postweld Heat Treatment of Friction-Stir-Welded Aluminum 7075 Alloyeng
dc.typeAufsatz
dc.type.versionacceptedVersion
dcterms.abstractThis work focuses on the effect of postweld heat treatment (PWHT) on the mechanical properties and microstructural evolution of aluminum 7075 alloy processed via friction stir welding (FSW). FSW is known to be capable of grain refinement in the nugget zone (NZ). Two different quench media (water and air) were employed for PWHT. Regardless of the quench media, the PWHT led to the occurrence of grain growth in the NZ of the FSWed aluminum 7075 alloy. Abnormal grain growth occurred in the water quenched specimen. It is shown that ductility and strength of FSWed aluminum 7075 alloy are strongly dependent on the quenching rate. Changes in the mechanical properties and microstructure reveal that only at lower cooling rate this alloy is prone to the formation of precipitate-free zones (PFZs) in the vicinity of grain boundaries. Eventually, the PFZs deteriorate mechanical properties of this alloy.eng
dcterms.accessRightsopen access
dcterms.creatorSajadifar, Seyed Vahid
dcterms.creatorMoeini, Ghazal
dcterms.creatorScharifi, Emad
dcterms.creatorLauhoff, Christian
dcterms.creatorBöhm, Stefan
dcterms.creatorNiendorf, Thomas
dcterms.source.identifiereissn:1544-1024
dcterms.source.issueIssue 8
dcterms.source.journalThe Journal of Materials Engineering and Performanceeng
dcterms.source.pageinfo5255-5265
dcterms.source.volumeVolume 28
kup.iskupfalse

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