The Crumple Zone Quality Enhancement of Electric Cars Bumper Fascia using a Carbon Fiber Reinforced Vinyl Ester – Microsphere Composites

Abstract

The main issues addressed in this paper are energy absorption ability, deformation, and weight of composite material for electric car bumper fascia are. Carbon fiber Reinforcement Vinyl ester with Microsphere (CRVeM) material and Mild steel S45C are the main material-focus on this research. The use of CRVeM as fascia bumper material increases the quantity of energy absorption before material permanently damaged without adding significant mass for the bumper component and also has a good deformation ability for pedestrian safety during low-speed collisions rather than Mild steel S45C that is being used by LIPI electric car as primary front bumper material. Flexural test and thin-walled tube crash simulation was performed to define the mechanical properties and behavior of each material and from ABAQUS UNIFIED FEA simulation we came to a certain point of conclusion that CRVeM material has a better deformation than Mild steel S45C material with 24.4% for strain from the original length which is positive for pedestrian safety and low-speed crash such as car accident in a parking lot.