Abstract
A uniaxial tension experiment was performed for the thermoplastic AS4/PEEK composite laminate with a circular hole. Ultimately the specimen fractured in the vicinity of the minimum cross section of the laminate. Through micro-observation with the OLYMPUS micro-system, the fracture characters and sub-critical damages were captured. It can be concluded that delamination and matrix cracks occurred prior to final failure of the laminate. Furthermore, a numerical simulation for the notched laminacte under uniaxial tension was implemented with a 3D elastoplasticity model to interpret the damage mechanism of the notched laminate.
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