Find the time it is expected to take the specimen to elongate 1% of its initial length (200 mm) working at 650C under 200 kN of constant force using the graph provided below. Assume a single mechanism operates. The cross section of the specimen is 600 mm. Stress (MPa) 1000 800 600 400 200 100 80 60 40 815 C 650C 730C 925C 20 10-6 10-5 10-4 10- 10-2 10-1 1 Steady-state creep rate (h-) 10 10 103 b) Write the strain rate equation for this material for low stress range (do not go higher than 10-2 creep rate until which a single mechanism is apparently operating. You need to find the activation energy and the stress exponent)