In order to study the initiation, propagation and material failure behavior of T800 carbon fiber reinforced composite joint structure with countersunk bolt under load, the quasi-static tensile tests were carried out on the bolt joint structure. The three-dimensional finite element model of the structure was established by using the finite element software ABAQUS. The three-dimensional Hashin failure criterion was used to predict the initial failure of the composite. Based on the progressive damage theory, a new scheme of gradually reducing material stiffness after damage was proposed, and the definition of the material constitutive relation was realized by using the UMAT user subroutine. The numerical analysis of the joint structure of carbon fiber composite countersunk bolt was carried out, and the numerical calculation results were compared with the tensile test results. The results show that the prediction of failure process by the numerical analysis is in good agreement with the experimental results.


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    Titel :

    Failure analysis of carbon fiber reinforced composite countersunk bolt joint


    Beteiligte:
    WANG Qiang (Autor:in) / JIA Purong (Autor:in) / ZHANG Long (Autor:in) / WANG Gang (Autor:in) / ZENG Leilei (Autor:in)


    Erscheinungsdatum :

    2020




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt




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