On the Friction Stir Processing of Additive-Manufactured 316L Stainless Steel

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dc.date.accessioned2023-12-22T09:09:27Z
dc.date.available2023-12-22T09:09:27Z
dc.date.issued2022
dc.descriptionThis is the peer reviewed version of the following article: On the Friction Stir Processing of Additive‐Manufactured 316L Stainless Steel. Advanced Engineering Materials 24, 10 p2200384 (2022), which has been published in final form at https://doi.org/10.1002/adem.202200384.eng
dc.identifierdoi:10.17170/kobra-202312229267
dc.identifier.urihttp://hdl.handle.net/123456789/15317
dc.language.isoeng
dc.relation.doidoi:10.1002/adem.202200384
dc.rightsUrheberrechtlich geschützt
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/
dc.subjectlaser powder bed fusioneng
dc.subjectfriction stir processingeng
dc.subjectmicrostructureeng
dc.subjectstrengtheng
dc.subjectmechanical propertieseng
dc.subjectfractureeng
dc.subject.ddc620
dc.subject.swdSelektives Laserschmelzenger
dc.subject.swdRührreibschweißenger
dc.subject.swdRapid Prototyping <Fertigung>ger
dc.subject.swdMikrostrukturger
dc.subject.swdFestigkeitger
dc.subject.swdMechanische Eigenschaftger
dc.subject.swdBruchger
dc.titleOn the Friction Stir Processing of Additive-Manufactured 316L Stainless Steeleng
dc.typeAufsatz
dc.type.versionacceptedVersion
dcterms.abstractThe novel combination of friction stir processing (FSP) and additive manufacturing (AM) is studied herein. Laser-based powder bed fusion of metals (PBF-LB/M) is used to establish 316 L stainless steel with a bimodal microstructure. Upon FSP, the as-built bimodal microstructure with an average grain size of 179 μm is transformed into the unimodal microstructure containing ultrafine grains with an average grain size of 1.2 μm. Results obtained by mechanical testing reveal that after FSP; the hardness, the yield point, and the ultimate strength of additively manufactured 316 L are enhanced by 45%, 77%, and 62%, respectively. Microstructure assessment reveals that such a unique improvement in the mechanical properties is due to considerable structural refinement leading to grain boundary strengthening. Energy-dispersive X-Ray diffraction analysis reveals that phase transformation does not occur upon FSP. Fracture analysis further indicates that severe plastic deformation (SPD) during FSP can promote the transformation of coarse voids to fine voids and, hence, densification of as-built parts.eng
dcterms.accessRightsopen access
dcterms.creatorSajadifar, Seyed Vahid
dcterms.creatorHosseinzadeh, Ali
dcterms.creatorRichter, Julia
dcterms.creatorKrochmal, Marcel
dcterms.creatorWegener, Thomas
dcterms.creatorBolender, Artjom
dcterms.creatorHeidarzadeh, Akbar
dcterms.creatorNiendorf, Thomas
dcterms.creatorYapici, Guney Guven
dcterms.source.articlenumber2200384
dcterms.source.identifiereissn:1527-2648
dcterms.source.issueIssue 10
dcterms.source.journalAdvanced Engineering Materialseng
dcterms.source.volumeVolume 24
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