Optimization of Process Parameters for the Ultimate Tensile Strength of Aluminium Alloy Sand Castings using Taguchi Method Journal title: Scholars Journal of Engineering and Technology Authors: Oji, J.O, Kareem, B, Idusuyi, N, Akinluwade, K. J, Isadare, D. A, Taiwo, A. T, Adetunji, A. R Subject(s):