The desire to combine the roles of the instrument panel carrier with structural functions traditionally fulfilled by steel reinforcement and tie bars provided the catalyst to search for a material and construction capable of combining the advantages of plastic processing with the structural characteristics of steel. Candidate materials and constructions were initially judged against a criteria list of design flexibility, tooling cost and leadtime, piece cost, developmental leadtime, product maturity, weight,and physical properties. The most promising alternates were tooled and tested with a knee impactor and a barrier sled in order to assess performance to occupant safety objectives. Ultimately, a thermoplastic composite proved capable of meeting all the structural requirements while enhancing design flexibility and reducing tooling leadtime and cost, piece cost, and vehicle mass.


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    Title :

    Thermoplastic Glass Mat Reinforced Knee Bolster Development


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1991



    Publication date :

    1991-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





    Thermoplastic glass mat reinforced knee bolster development

    Brademeyer,T. / Inland Fisher Guide Div.,US / GMC Interior Systems Business Unit,US | Automotive engineering | 1991


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