Abstract
We consider the transient thermal singular stress problem of multiple surface cracking in glassfiber reinforced plastics due to a thermal shock at low temperature. The layered composite is made of a layer bonded between two cracked layers of different physical properties, and it is suddenly cooled on the surfaces. The surface layers contain parallel arrays of the embedded or edge cracks perpendicular to the boundaries. The thermal and elastic properties of the material are dependent on the temperature. Finite element calculations are carried out, and the transient thermal stress intensity factors are shown graphically.
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