Transverse cracking of orthotropic composite laminates : a fracture mechanics approach

B. L. Wang, J. C. Han

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    This research is concerned with the fracture mechanics of a laminated composite medium, which contains a central layer sandwiched by two outer layers. There is a periodic array of cracks in the central layer along the central axis of the medium. Fourier transform is used to reduce the problem to the solution of a system of dual integral equations, which are solved by the singular integral equation technique. Rigorous fracture mechanics analysis, which exactly satisfies all boundary conditions of the problem, is conducted. Numerical solutions for the crack tip field and the stress in the medium are obtained for various values such as crack length, crack spacing and layer thickness. Results are also given for the reduction of the equivalent Young's modulus of the laminate due to multiple cracking. The cases of axial extension and residual temperature change of the composite medium are accounted for.
    Original languageEnglish
    Pages (from-to)1301-1316
    Number of pages16
    JournalArchive of Applied Mechanics
    Volume80
    Issue number11
    DOIs
    Publication statusPublished - 2010

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