Abstract

In this paper results are shown for a cross-ply laminate where the internal residual stresses in the 90° plies were influenced by mechanically pre-stressing the 0° plies during the curing process. After curing and cooling to room temperature the mechanical pre-stresses were released. The 90° plies were now under compressive stresses. This had the effect that under tensile loading the development of transverse cracks was delayed and shifted to higher strain and load values.

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