Modeling of Multilayered Sheets for Thermoforming Applications

Abstract:

During the last decades, automotive industry has to meet many environmental constraints and to reduce the cost and the energy conception. Giving their mechanical properties and low manufacturing cost, thermoplastic multilayered materials have proven to be an adequate solution for such applications. In this paper, the particular combination of Thermoplastic PolyOlefin (TPO) sheets and Polypropylene (PP) foams is considered. The mechanical behavior of each material is studied and the multilayered material response is predicted and compared to measurements at a 120°C temperature. Despite the transversely isotropic behavior of the TPO sheets and the very high stretch ranges, the obtained results are very convincing and the used models proved to be very reliable.

• Periodical: Advanced Materials Research (Volumes 941-944)
• Pages: 2378-2382
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.941-944.2378
• Online since: June 2014
• Authors: Zied Oueslati, Mohamed Rachik*, Marie France Lacrampe
• Keywords: Foams, Hyperelasticity, Multilayered Materials, Thermoforming, Transverse Isotropy

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