This paper evaluates the quasi-static performance of lightweight aluminum 'egg-box' panels which have an improved architecture specifically designed to increase the energy absorption capability. In its entirety, the egg-box panel structure investigated herein is made up of arrays of positive and negative frusta. To understand the collapse mechanism and the factors influencing the energy absorption thereof, compressive tests were conducted under similar test conditions on two single frusta, one constrained in situ and the other separated from the egg-box panel exposing the free-free edges. Their load-displacement histories show characteristics that are similar, with a rise in load to a point where they plateau at a steady state load for the entire collapse time. But the energy absorbed by the in situ constrained frustum is 80% greater than that separated from the egg-box panel with free-free edges.


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    Titel :

    Aluminum 'egg-box' panel as an energy absorber for pedestrian protection


    Weitere Titelangaben:

    'Eierschachtel'-Tafel aus Aluminium als ein Energieabsorber für den Fußgängerschutz


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2010


    Format / Umfang :

    5 Seiten, 9 Bilder, 7 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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