Front-end structures used for passenger cars have shown a development from pressed metal sheet assemblies towards SMC or GMT pressed parts or other long glass reinforced PP variants. Later, hybrid steel/PA6 front-ends have come to the market, marking a trend: 'back to steel'. In this lecture it is shown that using a design, targeted especially for long glass reinforced PP granulate material such as StaMax P, mechanical performances can be reached that are at least equal to the newest hybrid metal variants. This is not only supported by finite element analysis, but also by several tests done on actual front-end structures with different design. During high-speed crashes, metal structures, such as the car longitudinals and crash-boxes absorb much energy. However crash simulations have shown that the contribution of metal in a front-end structure is marginal, and doesn't contribute to the safety. For the coming generations also pedestrian safety regulations offer new possibilities for 100% composite front-ends.
100% Composite front-end systems for next generation cars
100% Composite front-end Systeme für Autos der nächsten Generation
2001
12 Seiten, 39 Bilder, 6 Quellen
Aufsatz (Konferenz)
Englisch
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