Abstract
This paper investigates the interlaminar stress distributions of notched angle-ply thermoplastic laminate under tension numerically. The representative AS4/PEEK laminate with configuration of was studied by finite element code ANSYS. The results show: The interlaminar stress concentrations are evident and localized in the vicinity of the hole and the two free sides, and the maximum values always appear near the hole. Meanwhile, the interface between two layers with the same layup angles has higher normal stress concentration, while interface between layers with opposite layup angles will have higher shearing stress concentration.
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