Estimate the following quantities of both Aluminum and Steel as presented in the following superimposed stress-strain curves: a) Yield stress, b) Young's Modulus, b) Tensile strength Stress Strain Curve of Steel 1045 and Aluminum 6061 in tension 120 100 80 stress (ksi) 60 60 T 40 40 20 0 0.000 0.025 0.050 0.075 0.100 strain (in/in) Steel 1045 Aluminum 6061 0.125 0.150 0.175