Properties of thermoplastic bumpers made of polycarbonate (PC) and polybutylene terephthalate (PBT) blend were evaluated after several years of service in the field. In this study we measured the Izod impact strength, PC molecular weight, and melt flow rate of bumpers collected from various geographical areas in the U.S. Generally, the system had good impact resistance after more than five years of service in the field, retaining most of the original impact strength. There were small changes in PC average molecular-weights and melt flow rates. The results showed that changes depended on both exposure time and the weather conditions of the environment.


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    Titel :

    The Long-Term Durability of Thermoplastic Bumpers


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Golovoy, A. (Autor:in) / Bauer, D. R. (Autor:in) / Zinbo, M. (Autor:in) / Tao, W. H. (Autor:in)

    Kongress:

    International Congress & Exposition ; 1993



    Erscheinungsdatum :

    01.03.1993




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    The Long-Term Durability of Thermoplastic Bumpers

    Tao,W.H. / Golovoy,A. / Zinbo,M. et al. | Kraftfahrwesen | 1993


    The long-term durability of thermoplastic bumpers

    Tao, W.H. / Golovoy, A. / Zinbo, M. et al. | Tema Archiv | 1993


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