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Comparison of Real and Simulated Fiber Orientations in Injection Molded Short Glass Fiber Reinforced Polyamide by X-ray Microtomography

dc.date.accessioned2022-05-03T07:09:23Z
dc.date.available2022-05-03T07:09:23Z
dc.date.issued2021-12-22
dc.identifierdoi:10.17170/kobra-202205036119
dc.identifier.urihttp://hdl.handle.net/123456789/13802
dc.description.sponsorshipGefördert durch den Publikationsfonds der Universität Kassel
dc.language.isoeng
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectInjection moldingeng
dc.subjectinjection molding flow simulationeng
dc.subjectmodel parameter studyeng
dc.subjectX-ray microtomographyeng
dc.subjectshort glass fibereng
dc.subjectpolyamide 6eng
dc.subjectfiber orientation predictioneng
dc.subjectMoldflow® Rotational Diffusion Modeleng
dc.subject.ddc600
dc.titleComparison of Real and Simulated Fiber Orientations in Injection Molded Short Glass Fiber Reinforced Polyamide by X-ray Microtomographyeng
dc.typeAufsatz
dcterms.abstractDuring injection molding of short glass fiber reinforced composites, a complex structure is formed due to the fiber movement. The resulting fiber orientation can be predicted using various simulation models. However, the models are known to have inadequacies andthe influence of process and model parameters is not clearly and comprehensively described. In this study, the aforementioned model and process parameters are investigated to determine the dependencies of the individual influences on the real and simulated fiber orientation. For this purpose, specimens are injection molded at different process parameters. Representative regions of the specimens are measured using X-ray microtomography and dynamic image analysis to determine the geometric properties of the fibers as well as their orientations. Furthermore, simulations are performed with the simulation software Moldflow® using different mesh types and densities as well as varying parameters of the MRD model to represent the real fiber orientations. The results show that different orientation areas arise in the samples, which cannot be represented with a simulation varying only one parameter. Several simulations must be carried out in order to represent flow regions occurring in the specimen as realistically as possible.eng
dcterms.accessRightsopen access
dcterms.creatorZurawik, Rafal
dcterms.creatorVolke, Julia
dcterms.creatorZarges, Jan-Christoph
dcterms.creatorHeim, Hans-Peter
dc.relation.doidoi:10.3390/polym14010029
dc.subject.swdKunststoffverarbeitungger
dc.subject.swdSpritzgießenger
dc.subject.swdGlasfaserger
dc.type.versionpublishedVersion
dcterms.source.identifiereissn:2073-4360
dcterms.source.issueIssue 1
dcterms.source.journalPolymerseng
dcterms.source.volumeVolume 14
kup.iskupfalse
dcterms.source.articlenumber29


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