Complex automotive parts were produced by film insert molding and the ejected parts were annealed to investigate the viscoelastic deformation. Warpage of the part was predicted by numerical simulation of mold filling, packing, and cooling stages with non-isothermal three-dimensional flow analysis. The flow analysis results were transported to a finite element stress analysis program and the stress analysis was performed by using time-temperature superposition principle to investigate viscoelastic deformation. Predicted residual stresses, viscoelastic deformation, and warpage showed good agreement with experimental results. Thermal shrinkage of the inserted film and relaxation of the residual stress affected the viscoelastic deformation of the part significantly during annealing.


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    Titel :

    Residual stress and viscoelastic deformation of film insert molded automotive parts


    Beteiligte:
    Kim, Seong-Yun (Autor:in) / Kim, Sung-Ho (Autor:in) / Oh, Hwa-Jin (Autor:in) / Lee, Seung-Hwan (Autor:in) / Youn, Jae-Ryoun (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2010


    Format / Umfang :

    11 Seiten, 10 Bilder, 2 Tabellen, 34 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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