Počet záznamů: 1  

Computational Modelling and Advanced Simulations

  1. 1.
    0354819 - ÚFM 2011 RIV NL eng M - Část monografie knihy
    Hutař, Pavel - Náhlík, Luboš - Majer, Zdeněk - Knésl, Zdeněk
    The effect of an interphase on micro-crack behaviour in polymer composites.
    Computational Modelling and Advanced Simulations. Vol. 24. Dordrecht: Springer, 2011 - (Murín, J.; Kompiš, V.; Kutiš, V.), s. 83-97. Computational Methods in Applied Sciences. ISBN 978-94-007-0316-2
    Grant CEP: GA AV ČR(CZ) KJB200410803; GA ČR GA106/07/1284; GA ČR GA106/08/1409
    Výzkumný záměr: CEZ:AV0Z20410507
    Klíčová slova: Particulate polymer composite * Mineral filler * Multiscale modelling
    Kód oboru RIV: JL - Únava materiálu a lomová mechanika

    The present chapter is focused mainly on polypropylene based composites filled by mineral fillers, but some results can be generalized for other particle composites. The stiffness and toughness of the composite is modelled using a three-phase continuum consisting of the polymer matrix, mineral particles and an interphase between them. It is shown that the effect of the interphase on the macroscopic characteristics of the composite is decisive. Generally, the addition of the mineral filler to the polymer matrix leads to ebrittlement of the composite. It is shown that properties of the interphase control both the stiffness and embrittlement of the particulate composite. Primarily, the interaction of micro-cracks with coated particles is studied. It is concluded that in some cases of the microscopic particles, size and specific interphase properties and the addition of mineral fillers can lead to a good balance between fracture toughness and stiffness.
    Trvalý link: http://hdl.handle.net/11104/0193735

     
     
Počet záznamů: 1  

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