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Laser Powder Bed Fusion Processing of Fe-Mn-Al-Ni Shape Memory Alloy—On the Effect of Elevated Platform Temperatures

dc.date.accessioned2021-03-12T13:42:34Z
dc.date.available2021-03-12T13:42:34Z
dc.date.issued2021-01-20
dc.identifierdoi:10.17170/kobra-202103093466
dc.identifier.urihttp://hdl.handle.net/123456789/12630
dc.description.sponsorshipGefördert durch den Publikationsfonds der Universität Kasselger
dc.language.isoengeng
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectadditive manufacturingeng
dc.subjectlaser powder bed fusioneng
dc.subjectshape memory alloyeng
dc.subjectFe-Mn-Al-Nieng
dc.subjectcyclic heat treatmenteng
dc.subject.ddc620
dc.subject.ddc660
dc.titleLaser Powder Bed Fusion Processing of Fe-Mn-Al-Ni Shape Memory Alloy—On the Effect of Elevated Platform Temperatureseng
dc.typeAufsatz
dcterms.abstractIn order to overcome constraints related to crack formation during additive processing (laser powder bed fusion, L-BPF) of Fe-Mn-Al-Ni, the potential of high-temperature L-PBF processing was investigated in the present study. The effect of the process parameters on crack formation, grain structure, and phase distribution in the as-built condition, as well as in the course of cyclic heat treatment was examined by microstructural analysis. Optimized processing parameters were applied to fabricate cylindrical samples featuring a crack-free and columnar grained microstructure. In the course of cyclic heat treatment, abnormal grain growth (AGG) sets in, eventually promoting the evolution of a bamboo like microstructure. Testing under tensile load revealed a well-defined stress plateau and reversible strains of up to 4%.eng
dcterms.accessRightsopen access
dcterms.creatorEwald, Felix Clemens
dcterms.creatorBrenne, Florian
dcterms.creatorGustmann, Tobias
dcterms.creatorVollmer, Malte
dcterms.creatorKrooß, Philipp
dcterms.creatorNiendorf, Thomas
dc.relation.doidoi:10.3390/met11020185
dc.subject.swdRapid Prototyping <Fertigung>ger
dc.subject.swdSelektives Laserschmelzenger
dc.subject.swdMemory-Legierungger
dc.subject.swdWärmebehandlungger
dc.type.versionpublishedVersion
dcterms.source.identifierEISSN 2075-4701
dcterms.source.issueIssue 1
dcterms.source.journalMetalseng
dcterms.source.volumeVolume 11
kup.iskupfalse
dcterms.source.articlenumber185


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