11.6 a. If the true stress-true strain curve for a material is defined by o= AE^n, where A and n are constants, find the tensile strength oTS. b. For a

nickel alloy, n=0.2 and A=800 MN m^-2. Evaluate the tensile strength of the alloy. Evaluate the true stress in an alloy specimen loaded to oTS.

Fig: 1

Fig: 2