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Modeling compression molding of all-thermoplastic honeycomb core sandwich components. Part B: Model verification
KTH, Superseded Departments, Aeronautical and Vehicle Engineering.ORCID iD: 0000-0002-6616-2964
2000 (English)In: Polymer Composites, ISSN 0272-8397, E-ISSN 1548-0569, Vol. 21, no 2, 257-267 p.Article in journal (Refereed) Published
Abstract [en]

The compression molding process for manufacturing of all-thermoplastic honeycomb core sandwich components is studied with the aim of verifying a previously proposed model describing the instantaneous face-core bonding during molding. Experiments are performed with glass/polypropylene (PP) faces and PP honeycomb core and experimental data are compared to model predictions in terms of temperature and degree of face-core interfacial contact with reasonable good agreement. Model predictions show that the face-core interface bond strength may increase with up to 200% when molding at an interface temperature slightly above the crystal melting temperature of the matrix for only a few seconds. The influence of the major process parameters, including molding temperature, molding pressure and core viscosity, on the predicted bond strength is investigated using the model.

Place, publisher, year, edition, pages
2000. Vol. 21, no 2, 257-267 p.
URN: urn:nbn:se:kth:diva-19677ISI: 000086427700011OAI: diva2:338369
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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