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Micro/nano scale indentation and scratch tests were taken on the epoxy/SiO2 nanocomposites by using Hysitron TriboIndenter system. The influences of the filling amount of nano-SiO2 particles on the mechanical and tribological properties of the composites were studied. The indentation results show that the hardness and stiffness of the composites rise from about 0.1878 and 2.5134 GPa for the matrix...
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