Conventional and Microcellular Injection Molding of a Highly Filled Polycarbonate Composite with Glass Fibers and Carbon Black

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dc.authoridDevahastin, Apichart/0000-0001-8748-456X
dc.authoridYilmaz, Galip/0000-0001-8128-3193
dc.contributor.authorYilmaz, Galip
dc.contributor.authorDevahastin, Apichart
dc.contributor.authorLih-Sheng Turng
dc.date.accessioned2024-10-04T18:49:24Z
dc.date.available2024-10-04T18:49:24Z
dc.date.issued2022
dc.departmentBayburt Üniversitesien_US
dc.description.abstractConventional solid injection molding (CIM) and microcellular injection molding (MIM) of a highly filled polycarbonate (PC) composite with glass fibers and carbon black were performed for molding ASTM tensile test bars and a box-shape part with variable wall thickness. A scanning electron microscope (SEM) was used to examine the microstructure at the fractured surface of the tensile test bar samples. The fine and uniform cellular structure suggests that the PC composite is a suitable material for foaming applications. Standard tensile tests showed that, while the ultimate strength and elongation at break were lower for the foamed test bars at 4.0-11.4% weight reduction, their specific Young's modulus was comparable to that of their solid counterparts. A melt flow and transition model was proposed to explain the unique, irregular tiger-stripes exhibited on the surface of solid test bars. Increasing the supercritical fluid (SCF) dosage and weight reduction of foamed samples resulted in swirl marks on the part surface, making the tiger-stripes less noticeable. Finally, it was found that an injection pressure reduction of 25.8% could be achieved with MIM for molding a complex box-shaped part in a consistent and reliable fashion.en_US
dc.identifier.doi10.3390/polym14061193
dc.identifier.issn2073-4360
dc.identifier.issue6en_US
dc.identifier.pmid35335523en_US
dc.identifier.scopus2-s2.0-85127006097en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.3390/polym14061193
dc.identifier.urihttp://hdl.handle.net/20.500.12403/3119
dc.identifier.volume14en_US
dc.identifier.wosWOS:000774268700001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherMdpien_US
dc.relation.ispartofPolymersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectmicrocellular injection moldingen_US
dc.subjectpolycarbonate compositeen_US
dc.subjectflow marksen_US
dc.subjecttiger stripesen_US
dc.titleConventional and Microcellular Injection Molding of a Highly Filled Polycarbonate Composite with Glass Fibers and Carbon Blacken_US
dc.typeArticleen_US

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