Microcellular urethane, as facing for a fixed bumper, was established as functional material for reducing impact forces in low speed vehicle collisions.The sharply increased modulus at low temperature typical of many urethane elastomers, a cause of high forces upon impact, was overcome in compounds developed during this project.An energy absorbing bumper of high aesthetic appeal is described, representing a first generation of development. This bumper design is capable of meeting the FMVSS 215 pendulum impact standards.Testing procedures and data reduction systems were developed to provide ready access to a large volume of test data.


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    Title :

    An Energy Absorbing Elastomeric Bumper


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1973 International Automotive Engineering Congress and Exposition ; 1973



    Publication date :

    1973-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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