In this work, the influence of precipitated nano calcium carbonate (PNCC) on the mechanical and thermal properties of epoxy/glass fiber (GF) laminates was studied. The mechanical properties of the epoxy/GF/PNCC composites were characterized by flexural and impact tests. The fracture toughness of the epoxy hybrid composites was evaluated by the principle of linear elastic fracture mechanics via single-edge notched bending tests. The thermal properties of the epoxy hybrid composites were studied using dynamic mechanical analyzer (DMA) and thermogravimetric analyzer (TGA). The flexural properties, impact strength, and fracture toughness of the epoxy/GF laminates were increased profoundly in the presence of PNCC. Additionally, from the DMA and TGA results, it was found that the storage modulus and thermal decomposition temperature of the epoxy/GF increased remarkably with the addition of PNCC.
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