Saurabh Agrawal and Dr. Abhijeet Ganguly 2025. Influence of Optimized Process Parameter of Friction Stir Welding On Copper and Aluminium Alloy with Various Filler Materials . International Journal of Scientific Research in Civil Engineering. 9, 3 (May 2025), 33–43. DOI:https://doi.org/10.32628/IJSRCE.