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Characterisation of Thermoplastic Foam Core Materials for Sandwich Applications under Crash Load

Schäffer, Michael and Kopp, Gerhard and Sturm, Ralf and Friedrich, Horst E. (2018) Characterisation of Thermoplastic Foam Core Materials for Sandwich Applications under Crash Load. 12th International Conference on Sandwich Structures, 19.-22. August 2018, Lausanne, Schweiz. DOI: 10.5075/epfl-ICSS12-2018-77-79

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Abstract

Based on the requirements on the overall vehicle like driving dynamics, comfort, safety, ergonomics, costs, environmental safety and image the specific requirements on body-in-white components can be derivate. An important task of the material pre-selection is the mechanical properties and the structural requirements for each specific component. In the presented talk the developed method for material pre-selection is described for a firewall, which functions as a shear field. A firewall influences significantly the torsional stiffness of the body-in-white and as secondly protects the occupants during for all front crash load cases. Due to the main advantages of fiber reinforced thermoplastics, which have improved impact resistance compared to thermoset composites, a thermoplastic composite, consisting out of a PA6 skins and a homogeneous PA6 core is chosen as material. In the presentation the characterization of the foam material and the subsequent development of the numerical description of PA6 sandwich core for dynamic loading conditions are shown.

Item URL in elib:https://elib.dlr.de/121490/
Document Type:Conference or Workshop Item (Speech)
Title:Characterisation of Thermoplastic Foam Core Materials for Sandwich Applications under Crash Load
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schäffer, Michaelmichael.schaeffer (at) dlr.deUNSPECIFIED
Kopp, GerhardGerhard.Kopp (at) dlr.dehttps://orcid.org/0000-0003-0839-9696
Sturm, RalfRalf.Sturm (at) dlr.deUNSPECIFIED
Friedrich, Horst E.horst.friedrich (at) dlr.deUNSPECIFIED
Date:20 August 2018
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.5075/epfl-ICSS12-2018-77-79
Status:Published
Keywords:Sandwich. Crash Load, Optimization, Thermoplastic Foam Core
Event Title:12th International Conference on Sandwich Structures
Event Location:Lausanne, Schweiz
Event Type:international Conference
Event Dates:19.-22. August 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - NGC Fahrzeugstruktur (old)
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts > Vehicle Architectures and Lightweight Design Concepts
Deposited By: Schäffer, Michael
Deposited On:18 Oct 2018 13:24
Last Modified:01 Sep 2019 03:00

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