The existence of viscosity effect at the interface of double dissimilar materials has an important impact to the distribution of interface crack-tip field and the properties variety of the interface itself. The singular is considered in crack-tip, and the elastic-viscoplastic quasi-static propagating governing equations of double dissimilar materials at interface crack-tip field are established. The displacement potential function and boundary condition of interface crack-tip are introduced and the numerical analysis of rigid-elastic viscoplastic interface for mode III are worked out. The stress-strain fields are obtained at the crack-tip and the variations of solutions are discussed according to each parameter. The numerical results show that the viscosity effect is a main factor of interface propagating crack-tip field, and the interface crack-tip is a viscoplastic field that is governed by viscosity coefficient, Mach number and singular factor.


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    Titel :

    The elastic-viscoplastic field near mode iii dynamic propagating crack-tip of interface in double dissimilar materials


    Beteiligte:
    Wenyan Liang, (Autor:in) / Zhenqing Wang, (Autor:in) / Pengcheng Lin, (Autor:in)


    Erscheinungsdatum :

    01.06.2010


    Format / Umfang :

    924682 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch