Composite reinforced with hemp fibre and prosopis juliflorea bark compared in terms of impact strength

Abstract

Aim:The present research work focuses on investigation of impact properties of novel combinations of hemp and prosopis juliflora bark reinforced epoxy composites. Material and Methods: The hemp fibre and prosopis juliflora bark were used to fabricate the composites by hand lay up technique. In this research hemp fibre acts as a control group and Prosopis juliflora acts as an experimental group. Each group has a sample size of 20, and a total sample size of 40. The independent sample test is carried out using a G power of 80 %. The specimens were cut according to the ASTM standards for the estimation of impact strength. Experimental trials were accomplished by the L₉ orthogonal array. Results: The impact strength obtained for the hemp fibre based composite is25.46 kg/m² and hybrid composite is 28.72 kg/m² with a significant value 0.028 of (P<0.05). Conclusion: In comparison to hemp based composites hemp and PJ based hybrid composites provide highest impact strength.The maximum value of impact strength was found at parameter values A3, B3, and C2 (28.72kg/m²).