Fracture tests were performed with carbon/polymer laminates and analyzed for the purpose of developing translaminar fracture toughness test and analysis procedures. Notched specimens were tested on two types of symmetrical layups, quasi-isotropic (0/45/90) and (0/90); two carbon fiber/epoxy materials, a relatively brittle T300 fiber/976 epoxy and a tougher AS4 fiber/977-2 epoxy; two laminate thicknesses, 2-mm and 4-mm; and three specimen configurations, the standard three-point bend and compact configurations, and an ...
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