material constants creep strain rate
fitting constants the minimum creep rate
material constants the final creep rate
the number of test data constants which depend on stress and temperature
stress exponent of K-R model applied stress
stress exponent of L-M model material constants
material constants of L-M model threshold stress
apparent activation energy ultimate tensile strength
universal gas constant damage
creep temperature damage rate
rupture time initial damage
normalized time of 1st step load the analytical damage
normalized time of 2nd step load the experimental damage
initial time