Utilize este identificador para referenciar este registo: https://hdl.handle.net/1822/34447

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dc.contributor.authorGarcia, M. C. R.por
dc.contributor.authorNetto, A. C. S.por
dc.contributor.authorPontes, A. J.por
dc.date.accessioned2015-03-19T10:28:03Z-
dc.date.available2015-03-19T10:28:03Z-
dc.date.issued2011-
dc.identifier.urihttps://hdl.handle.net/1822/34447-
dc.description.abstractThis work presents a model to predict shrinkage and ejection forces for glass fiber reinforced thermoplastics of tubular geometry. This mathematical model was based in Jansen’s Model to predict shrinkage and residual stresses in fiber reinforced injection molded products and Pontes’s Model to predict ejection forces for tubular parts of pure PP. The model used the modified classical laminate theory applied to injection moulding and it uses the fiber orientation state, temperature and pressure field as input and which predicts the shrinkage and ejection forces. The fiber orientation state was determined experimentally and the temperature and pressure fields were obtained by MOLDFLOW simulations. The model to predict ejection forces considers also the fiber orientation state, friction coefficient between steel and polymer, elastic modulus of polymer, both in the ejection temperature and diametrical shrinkage. The model is validated by experimental results.por
dc.language.isoengpor
dc.rightsopenAccesspor
dc.subjectShrinkagepor
dc.subjectEjection forcepor
dc.subjectGlass fiberpor
dc.subjectMathematical modelpor
dc.titleModel to predict shrinkage and ejection forces of injection moulded tubular parts of short glass fiber reinforced thermoplasticspor
dc.typeconferencePaper-
dc.peerreviewedyespor
sdum.publicationstatuspublishedpor
oaire.citationConferenceDate28-30 June 2011por
sdum.event.typeconferencepor
oaire.citationConferencePlacePortopor
oaire.citationTitle16th International Conference on Composite Structures (ICCS16)por
sdum.conferencePublication16th International Conference on Composite Structures (ICCS16)por
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