The following creep data were taken on an aluminum alloy at 480°C (900°F) and a constant stress of 2.75 MPa (400 psi). Plot the data as strain versus time, then determine the steady-state or minimum creep rate. The initial and instantaneous strain is not included.

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Time (min) Time (min) Strain Strain 0.00 18 0.82 2 0.22 20 0.88 4 0.34 22 0.95 0.41 24 1.03 0.48 26 1.12 0.55 10 28 1.22 12 0.62 30 1.36 1.53 14 0.68 32 1.77 16 0.75 34 6.