Probabilistic Failure Strength Analyses of Graphite/Epoxy Cross-Ply Laminates

DOI Web Site 被引用文献16件
  • Hisao Fukunaga
    Mechanical and Aerospace Engineering Department University of Delaware Newark, Delaware 19711
  • Tsu-Wei Chou
    Mechanical and Aerospace Engineering Department University of Delaware Newark, Delaware 19711
  • P.W.M. Peters
    Institut für Werkstoff-Forschung Deutsche Forschungs-und Versuchsanstalt fur Luft-und Raumfahat e. v. 5000 Köln 90, West Germany
  • K. Schulte
    Institut für Werkstoff-Forschung Deutsche Forschungs-und Versuchsanstalt fur Luft-und Raumfahat e. v. 5000 Köln 90, West Germany

抄録

<jats:p> This paper treats the failure characteristics of [0/90/0] and [90/0/90] cross-ply laminates based upon the statistical strength analysis. The stress redistributions at the failure of the 90 ° ply are analyzed using a shear-lag model, taking the thermal residual stresses and Poisson effect into consideration. The formulae for determining first cracking, subsequent multiple cracking and ultimate fracture are derived. The present analysis is compared with the existing experimental results for graphite/epoxy cross-ply laminates, and reasonable agreements have been obtained. </jats:p>

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