Analysis of Material selection for automotive fender using the weighted sum method

Introduction: Material selection for automotive fenders involves the process of choosing the most suitable materials to be used in the construction of fenders based on various performance criteria, including mechanical properties, durability, weight, cost, safety, and environmental considerations. It involves assessing different materials and their characteristics to determine the optimal choice that meets the specific requirements of fenders. Research Significance: We will be able to choose a material with the right qualities thanks to research on the best materials for car fenders. Research on material choice for vehicle fenders was conducted for several reasons, including weight reduction and fuel efficiency, impact resistance including safety, resisting corrosion and durability, manufacturing procedure and cost optimisation, design flexibility and style, and environmental sustainability. It promotes innovation, aids in the creation of innovative materials, and aids automakers in meeting the changing demands of the market and customers. Method: This research employs the weighted sum approach to analyse the choice of material for an automobile fender. Alternate Parameters: High Strength Steels (Docol600DP and Docol1000DP), Aluminium alloys (AA2036T4 and AA6010T4), Thermoplastic polymers (PPE/PA/989Resin, PPO/PA66, NY66/40CF, PPS/40CF, AR/PC, PC/PBT resin) Evaluation Parameters: Ultimate Tensile Strength (UTS), Yield Strength (YS), Young's Modulus (YM), Linear Coefficient of Thermal Expansion (CTE), Material Cost (MC). Results: From the result it is seen that D1000DP is got the first rank where as is the PPE/PA/989 is having the lowest rank. Conclusion: the first ranking D1000DP is obtained with the lowest quality of PPE/PA/989.