Viscoelastic bending model for continuous fiber-reinforced thermoplastic composites in melt

U. Sachs*, R. Akkerman

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    45 Citations (Scopus)
    106 Downloads (Pure)


    Bending of single plies or stacks of multiple plies is an essential deformation mechanism during thermoforming of thermoplastic composites. A reliable prediction of the forming process requires an accurate description of the bending behavior. To this end, a characterization method for the bending of composites under thermoforming conditions has been developed. Experiments are performed with an in-house developed bending setup and are analyzed with an analytical model, which is derived in this paper. The model describes the composite with linear elastic fibers and a matrix material that behaves as a shear thinning power law fluid. The model can represent the characteristic behavior that is measured in bending experiments with unidirectional carbon fiber reinforced PA6 composites.

    Original languageEnglish
    Pages (from-to)333-341
    Number of pages9
    JournalComposites Part A: Applied Science and Manufacturing
    Publication statusPublished - 1 Sept 2017


    • A. Polymer-matrix composites (PMCs)
    • C. Analytical modeling
    • D. Mechanical testing
    • 2023 OA procedure


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