Effect of Cell Morphology on Flexural Behavior of Injection-Molded Microcellular Polycarbonate

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dc.date.accessioned2023-06-09T08:26:17Z
dc.date.available2023-06-09T08:26:17Z
dc.date.issued2022-05-19
dc.identifierdoi:10.17170/kobra-202306098192
dc.identifier.urihttp://hdl.handle.net/123456789/14806
dc.language.isoeng
dc.relation.doidoi:10.3390/ma15103634
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectpolycarbonateeng
dc.subjectcell morphologyeng
dc.subjectflexural propertieseng
dc.subjectsubset regression analysiseng
dc.subjectIR-thermographyeng
dc.subject.ddc540
dc.subject.ddc600
dc.subject.ddc670
dc.subject.swdFaserger
dc.subject.swdCelluloseger
dc.subject.swdPolypropylenger
dc.subject.swdSpritzgießenger
dc.titleEffect of Cell Morphology on Flexural Behavior of Injection-Molded Microcellular Polycarbonateeng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractThe quantitative study of the structure and properties relationship in cellular materials is mostly limited to cell diameter, cell density, skin layer thickness, and cell size distribution. In addition, the investigation of the morphology is generally carried out in two dimensions. Therefore, the interrelation between morphological properties and mechanical characteristics of the foam structure has remained in an uncertain state. In this study, during the physical foaming process, a foam morphology is locally created by using a mold equipped with a core-back insert. The variation in morphology is obtained by modifying the mold temperature, injection flow rate, and blowing agent content in the polymer melt. X-ray microtomography (μCT) is used to acquire the 3D visualization of the cells structure. The Cell Distribution Index (CDI) is calculated to represent the polydispersity in cell size distribution. The relationship between the wide range of morphological qualities and relevant flexural properties is made explicit via a statistical model. According to the results, the morphology, particularly cell shape, characterizes the mechanism of the linear elastic deformation of the closed-cell foams. IR-thermography reveals the bending failure of cellular structures in the tensile region despite the differences in cell diameter.eng
dcterms.accessRightsopen access
dcterms.creatorGüzel, Kübra
dcterms.creatorZarges, Jan-Christoph
dcterms.creatorHeim, Hans-Peter
dcterms.source.articlenumber3634
dcterms.source.identifiereissn:1996-1944
dcterms.source.issueIssue 10
dcterms.source.journalMaterialseng
dcterms.source.volumeVolume 15
kup.iskupfalse

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