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Thermo-rheological behaviour of polymer melts in microinjection moulding

2009-09-17Journal article Open access
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Mecânica
datacite.subject.fosEngenharia e Tecnologia::Engenharia dos Materiais
datacite.subject.fosEngenharia e Tecnologia::Engenharia Eletrotécnica, Eletrónica e Informática
dc.contributor.authorVasco, Joel
dc.contributor.authorMaia, J.M.
dc.contributor.authorPouzada, A.S.
dc.date.accessioned2025-05-19T14:43:38Z
dc.date.available2025-05-19T14:43:38Z
dc.date.issued2009-09-17
dc.description.abstractMicroinjection has proven to be one of the most efficient replication methods for microcomponents and microsystems in various domains of microengineering. The use of available commercial microinjection equipment to evaluate the polymeric flow in microchannels would surely contribute to enhancing knowledge on polymeric flow at the microscale under industrial conditions. This approach is appropriate since rheological phenomena such as wall slip, surface tension, melt pressure drop and polymer flow length can be studied. These aspects are not fully dealt with in current commercial simulation software packages. In this study a micromould was designed to assess and characterize the flow in microchannels under realistic industrial conditions.eng
dc.description.sponsorshipThis research work was supported by the Portuguese Foundation for the Science and Technology under the grant SFRH/BD/36982/2007.
dc.identifier.citationJ C Vasco et al 2009 J. Micromech. Microeng. 19 105012 DOI: https://doi.org/10.1088/0960-1317/19/10/105012.
dc.identifier.doi10.1088/0960-1317/19/10/105012
dc.identifier.eissn1361-6439
dc.identifier.issn0960-1317
dc.identifier.urihttp://hdl.handle.net/10400.8/12929
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIOP Publishing
dc.relationSTUDY OF THE MECHANICAL AND RHEOLOGICAL PERFORMANCE OF MICRO-INJECTION MOULDS OBTAINED BY ADDITIVE MANUFACTURING
dc.relation.hasversionhttps://iopscience.iop.org/article/10.1088/0960-1317/19/10/105012
dc.relation.ispartofJournal of Micromechanics and Microengineering
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectTemporal Expression
dc.subjectTraining Corpus
dc.subjectAnnotation Scheme
dc.subjectEntity Recognition
dc.subjectText Summarization
dc.titleThermo-rheological behaviour of polymer melts in microinjection mouldingeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleSTUDY OF THE MECHANICAL AND RHEOLOGICAL PERFORMANCE OF MICRO-INJECTION MOULDS OBTAINED BY ADDITIVE MANUFACTURING
oaire.awardURIhttp://hdl.handle.net/10400.8/12927
oaire.citation.endPage8
oaire.citation.issue10
oaire.citation.startPage1
oaire.citation.titleJournal of Micromechanics and Microengineering
oaire.citation.volume19
oaire.fundingStreamFARH
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameVasco
person.givenNameJoel
person.identifier1567112
person.identifier.ciencia-id1B1F-18E0-4752
person.identifier.orcid0000-0001-8185-8145
person.identifier.ridO-2486-2015
person.identifier.scopus-author-id14055297700
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relation.isAuthorOfPublication.latestForDiscoveryfe273d4d-3b85-45c6-b114-c9f7a848db17
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Microinjection has proven to be one of the most efficient replication methods for microcomponents and microsystems in various domains of microengineering. The use of available commercial microinjection equipment to evaluate the polymeric flow in microchannels would surely contribute to enhancing knowledge on polymeric flow at the microscale under industrial conditions. This approach is appropriate since rheological phenomena such as wall slip, surface tension, melt pressure drop and polymer flow length can be studied. These aspects are not fully dealt with in current commercial simulation software packages. In this study a micromould was designed to assess and characterize the flow in microchannels under realistic industrial conditions.
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