Abstract
The study investigated the effects of ageing on the fracture toughness of the nano Calcium Carbonate/ground rubber particle hybrid composites.The rubber particles content was 0, 5, 10 and 15 wt%, while the calcium carbonate contents was fixed 2 wt% of the epoxy resin.Aging was carried out in distilled water at a temperature of 50 °C.Water absorption and fracture toughness properties of an epoxy-containing a hybrid of rubber particles and Calcium Carbonate were carried out.It was observed that the water absorption increased after adding ground rubber particle and calcium carbonate.The fracture toughness increased after adding rubber particles and the optimum fracture toughness was obtained at the rubber particle content of 10%.Adding calcium carbonate in the epoxy containing rubber particles reduced the fracture toughness but improved the fracture toughness of the aged specimens.
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| 2022 | 0 |