The basic purpose of any automotive structure in a crash is to dissipate the energy of the impact in such a manner as to minimize the risk of harm to the occupants of the vehicle. Several decades of design in steel have created a good understanding of the factors which determine steel unibody structural behaviour, resulting in the ability to more readily design in that material. However, increasing demands for lightweight, high performance structures have led to greater use of aluminium as the primary material for body-in-white (BIW) construction. In this paper, the elements of performance which define structural behaviour are identified and summarized. The implications for aluminium usage in the BIW are highlighted, as well as some additional benefits accruing to the design from the use of the lighter material.
Aluminium structure for crash energy management
Aluminium-Strukturen zur Energieabsorption im Automobil
1997
10 Seiten, 7 Bilder, 3 Tabellen
Conference paper
English
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