SEARCH Articles Figures Tables Relationship between instantaneous stress intensity factor and crack velocity for a susceptible titanium alloy in 10 n HC1 . Activation energy for Stage 1 113 kJ mol and for [Publishers Imprint] See Also: Relationship between instantaneous stress intensity factor and crack velocity for a susceptible titanium alloy in 10 n HC1 . Activation energy for Stage 1 113 kJ mol and for