This paper proposes and demonstrates a repair strategy for 'Thermoplastic-Substrate/Coating Composite' body panels. A systematic approach is presented that allows automotive design and material engineers to evaluate polymer repair systems and test their compatibility and long term durability with thermoplastic body panel substrate materials (figure 1). This paper systematically categorizes the degree of thermoplastic body panel damage into four specific levels: abrasion of the coating without substrate damage or penetration, damage to the surface coating and substrate excluding cracks or punctures, small cracking or punctures, massive coating/substrate damage beyond that which could be feasibly repaired. Repair systems were evaluated by focusing on substrate preparation techniques to optimize adhesion characteristics without adversely effecting the impact behavior. The adhesion quality was evaluated with tensile lap-shear testing and practical observation techniques applied to actual repairs. The strategies proposed in this paper resulted in a quality repair procedure for thermoplastic body panels and a cost-effective alternative to panel replacement.


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    Titel :

    Quality repair strategies for thermoplastic automotive exterior body-panels


    Weitere Titelangaben:

    Strategien für Qualitätsreparaturen thermoplastischer, äußerer Fahrzeugbaukörperteile


    Beteiligte:
    Maher, J.P. (Autor:in) / Kawczak, A.W. (Autor:in)

    Erschienen in:

    SAE-Papers ; Mar ; 1-18


    Erscheinungsdatum :

    1990


    Format / Umfang :

    18 Seiten, 31 Bilder, 5 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Quality Repair Strategies for Thermoplastic Automotive Exterior Body-Panels

    Kawczak, Alex W. / Maher, James P. | SAE Technical Papers | 1990


    Quality repair strategies for thermoplastic automotive exterior body-panels

    Maher,J.P. / Kawczak,A.W. / Dow Chemical,US | Kraftfahrwesen | 1990


    Thermoplastic exterior body panels

    Kapp,J.L. / Buick-Oldsmobile-Cadillac Group,General Motors,US | Kraftfahrwesen | 1989


    High-performance thermoplastic exterior body panels

    Umamaheswaran,V. / Bax,F. / GE Plastics,US | Kraftfahrwesen | 1999


    High Performance Thermoplastic Exterior Body Panels

    Umanaheswaran, V. / Bax, F. / SAE | British Library Conference Proceedings | 1999