Abstract
Epoxy resin is modified by nanoSiO2, nanoAl2O3 and nanoZrO2 dispersed by dispersing agent by combining the means of high-speed mechanical stirring and ultrasonic cavitation. It aims at studying the influences of different nanometer-particles types and its dosages on the properties of composite. Research results show that the optimum dosages of nanoSiO2, nanoAl2O3 and nanoZrO2 are 1%, 3% and 5% separately. The tensile strengths of three kinds of composites are similar when it is added by its optimum dosages. The mechanisms of reinforcing epoxy resin caused by nanometer-particles are investigated by combining the SEM.
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