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POLYURETHANE BASE SANDWICH STRUCTURES – FACE SHEET CHARACTERISTICS –

Kuppinger, Jan und Kopp, Gerhard und Dietrich, Stefan und Henning, Frank (2012) POLYURETHANE BASE SANDWICH STRUCTURES – FACE SHEET CHARACTERISTICS –. The 12th-annual SPE Automotive Composites Conference & Exhibition (ACCE), 11.-13.09.2012, Troy, Michigan, USA.

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Offizielle URL: ttp://www.speautomotive.com/

Kurzfassung

Sandwich components and constructions are an important part of modern lightweight design for the vehicle industry. The current paper addresses polyurethane based sandwich structures manufactured with a polyurethane fiber spraying process. For sandwich manufacturing the preform of the sandwich was externally prepared by fixing the core and the glass fiber mats together. The subsequent spraying process was carried out consecutively on the upper and lower side of the sandwich before insertion into the molding press. The influences of 300 g/m², 450 g/m², 600 g/m² and 900 g/m² glass fiber mats in the face sheet thickness were investigated. The characterization of the face sheet’s thickness was carried out using X-ray computed tomography and 3D image analysis methods for non-destructive measurements on prepared samples. Based on these results, the mechanical properties of the face sheets were determined. Finally, a simplified FEM model could be applied and provided excellent agreement with the experimental data. The transfer of these results into an industrial application will be presented.

Dokumentart:Konferenzbeitrag (Vortrag)
Titel:POLYURETHANE BASE SANDWICH STRUCTURES – FACE SHEET CHARACTERISTICS –
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Kuppinger, JanFraunhofer ICT
Kopp, GerhardDLR FK
Dietrich, StefanUniversität Karlsruhe KIt
Henning, FrankFraunhofer ICt
Datum:September 2012
Referierte Publikation:Ja
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:Sandwich, Polyurethan
Veranstaltungstitel:The 12th-annual SPE Automotive Composites Conference & Exhibition (ACCE)
Veranstaltungsort:Troy, Michigan, USA
Veranstaltungsart:internationale Konferenz
Veranstaltungsdatum:11.-13.09.2012
Veranstalter :SPE
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Verkehr
HGF - Programmthema:Bodengebundener Verkehr
DLR - Schwerpunkt:Verkehr
DLR - Forschungsgebiet:V BF - Bodengebundene Fahrzeuge
DLR - Teilgebiet (Projekt, Vorhaben):V - Projekt Next Generation Train (alt)
Standort: Stuttgart
Institute & Einrichtungen:Institut für Fahrzeugkonzepte > Leichtbau- und Hybridbauweisen
Hinterlegt von: Gerhard Kopp
Hinterlegt am:12 Nov 2012 11:37
Letzte Änderung:12 Nov 2012 11:37

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