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Determination of material and fractographic properties of a dental indirect resin composite material.A resin composite (Paradigm, 3M-ESPE, MN) was characterized by strength, static elastic modulus, Knoop hardness, fracture toughness and edge toughness. Fractographic analyses of the broken bar surfaces was accomplished with a combination of optical and SEM techniques, and included determination of...
The fracture behavior of the notched unidirectionally solidified eutectic Al 2 O 3 /YAG composite was investigated by tensile test at room temperature to 2023K, and the results were analyzed by the finite element method. The stress–strain behavior, notched strength and the fracture toughness were strongly dependent on temperature and displacement speed. The specimens fractured in a...
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