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    publié le 21/07/2010

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    Stress distribution and Young's modulus of short fibers composites

    Document de 5 pages au format PDF

    RÉSUMÉ

    The aim of this exercise is to calculate the stress distribution and the elastic modulus of a glass fiber/epoxy composite with aligned short fibers. The stress distribution will be calculated by using three stress distribution models: the shear lag model with perfect interface bonding, the constant interface shear stress model with interface stress equals to the matrix yield stress and the same as the previous one but with an interface crack with a friction at the interface leading to constant shear stress.

    AUTRES

    Extract:

    In this homework, we have studied three different models to determine the stress distribution
    into a fiber for short fiber composites.
    We can say that predicting the stress distribution into short fiber composites is not a simple
    work because it depends on how you can take into account the phenomenon at the interface
    and findings the frictional stress at the interface is not a simple work.
    Thanks to this homework, we have shown that the axial stress taken by the fiber and so, the
    stress taken by the composite is strongly relied to the interface shear stress which shows the
    importance of interfaces into the mechanics of composites.

    Table of contents:

    Introduction

    I) Theoretical background
    II) Results and discussions

    Conclusion

    5

    Docs en anglais publié le 21/07/2010

    5,40 €

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    Auteur du document

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