Probabilistic Failure Strength Analyses of Graphite/Epoxy Cross-Ply Laminates
- 1 July 1984
- journal article
- Published by SAGE Publications in Journal of Composite Materials
- Vol. 18 (4), 339-356
- https://doi.org/10.1177/002199838401800403
Abstract
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.Keywords
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