The tensile stress-strain behavior of pure aluminum is shown in graphs following. Determine the following properties for pure Al. a) Young’s modulus, b) 0.2% offset yield strength, c) tensile strength, and d) engineering fracture strain.

150 10 60 Polycrystalline aluminum Aluminum- low-strain region 100- 10 50 20 01 0.2 03 0.4 0 0.001 0.002 0.003 0.004 a (MN/m)- 51 a (10' psi) a (MN/m") - +(sd o1) o