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Effects of Fiber Orientation and Moisture on the Crack Growth in Short Glass Fiber Reinforced Polyamide

Authors

  • Stephan Günzel,

    1. BAM – Federal Institute for Materials Research and Testing, Division 5.3 Mechanics of Polymers, Fatigue Testing, Failure Analysis, Damage Mechanics, 12200 Berlin, Germany
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  • Stefan Hickmann,

    1. BAM – Federal Institute for Materials Research and Testing, Division 5.3 Mechanics of Polymers, Fatigue Testing, Failure Analysis, Damage Mechanics, 12200 Berlin, Germany
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  • Christian Wittemeyer,

    1. BAM – Federal Institute for Materials Research and Testing, Division 5.3 Mechanics of Polymers, Fatigue Testing, Failure Analysis, Damage Mechanics, 12200 Berlin, Germany
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  • Volker Trappe

    Corresponding author
    1. BAM – Federal Institute for Materials Research and Testing, Division 5.3 Mechanics of Polymers, Fatigue Testing, Failure Analysis, Damage Mechanics, 12200 Berlin, Germany
    • BAM – Federal Institute for Materials Research and Testing, Division 5.3 Mechanics of Polymers, Fatigue Testing, Failure Analysis, Damage Mechanics, 12200 Berlin, Germany.
    Search for more papers by this author

Abstract

Short glass fiber reinforced polyamides are increasingly used in automotive applications. Concepts and models are needed, which enable the prediction of the structural durability. The fiber orientation and the content of moisture have a major influence on the fracture mechanical properties and on the damage mechanisms. The complex crack growth behavior was investigated and described in an empirical model.

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