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Validation of Epoxy Foam for Structural and Crash Application
Technical Paper
2004-01-0242
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Finite Element analyses and tests are performed in order to verify appropriate use of material models to represent epoxy foam in FEA. Two types of material models are studied that utilize different approaches to model behavior of materials. One uses nominal stress/strain data to depict yield condition. The other uses plastic stress/strain data and von Mises type yield condition. Due to the particular and different behaviors of epoxy foam in compressive and tensile testing, material curves in both compression and tension areas are utilized. After validation of the material model in both compressive and tensile testing, three point bending tests and simulation of foam and composite beams are carried out. Simulations of material failure and interface effects are also discussed.
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Citation
Liu, W., Weber, P., and Koch, S., "Validation of Epoxy Foam for Structural and Crash Application," SAE Technical Paper 2004-01-0242, 2004, https://doi.org/10.4271/2004-01-0242.Also In
Advances in Modelling of Materials and Structures for Crash Applications
Number: SP-1843; Published: 2004-03-08
Number: SP-1843; Published: 2004-03-08
References
- Horst Lanzerath Schilling Robert 2003 Crash Simulation of Structural Foam SAE Technical Paper 2003-01-0328
- Pan J. Oh S. Wang D.-A. Chien W.-Y. Pan T. Wang J. 2003 Failure Mechanism of Sandwich Specimens With Epoxy Foam Cores Under Bending Conditions SAE Technical Paper 2003-01-0327
- Steidler Silvana M. Bonde Nina Ljungquist Henrik Validation of Structural Adhesives in Crash Application SAE Technical Paper 2003-01-0332