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Experimental and Numerical Fracture Analysis of Al 6061 and E-Glass Epoxy Fiber Metal Laminate Using Digital Image Correlation

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Document pages: 10 pages

Abstract: Fiber metal laminates (FMLs) are an advanced hybrid material system consisting of metal layers bonded with fiber reinforced polymer layers. Their most outstanding characteristic is exceptional fatigue resistance. In this work aluminium 6061 based fiber metal laminate is fabricated and fracture studies are conducted. The FML fabricated comprise of two layers of unidirectional E-glass fiber bonded with pretreated aluminium sheets of each thickness. Epoxy resin along with the hardener in the ratio used as a matrix material. FMLs plates are fabricated at room temperature and at constant pressure by hand layup technique. The specimens in accordance with non dimensional specimen are prepared with cross ply orientation of glass fiber and metal laminate. The objective Stress Intensity Factor (SIF) of this Single Edge Notch Specimen (SENB). The specimens are loaded on universal testing machine as three point bending test. Finite element analysis of FML is also conduct to predict stress intensity factor and results are compared.

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