Tensile, bending, and impact properties of laminated carbon/aramid/glass hybrid fiber composites

Abstract In this study, hybrid (carbon, glass, and aramid) fabric epoxy composite laminates were fabricated with different layering sequences by hand lay-up. The effects of layering arrangements of laminated composite fibers on the mechanical properties of hybrid composites were investigated. Tensile, bending, and impact tests were performed to obtain the mechanical behaviors of hybrid composites. It was found that the layering sequences significantly affect the tensile, bending strength, and impact energy. As a result of the tensile tests, the highest tensile strength was obtained in the 3C + 3G combination. The highest load-carrying capacity in three-point bending tests was obtained in the 2G + 2A + 2C combination. The combination with the highest impact energy was 2C + 2G + 2A, and the lowest was 3C + 3G. It has been observed that hybrid composites containing aramid fiber absorb higher impact energy than others. The results showed that the layering sequences are essential in hybrid composites with the same fiber and layer number.