Given the following data, plot the stress-strain curves for the two unknown materials on the same set of stress-strain axes. Density4.43g/cm33.98g/cm3E114 GPa380 GPa0.340.22Yield stress (at 0.2% strain)830 MPaNot applicableUltimate tensile strength900 MPa550 MPaFailure stress840 MPa550 MPa% elongation14NegligibleWhat likely types are Materials A and B?