From: Fatigue crack growth in a nickel-based superalloy at elevated temperature - experimental studies, viscoplasticity modelling and XFEM predictions
Parameters
Optimised values
E (GPa)
178.773
b
6.37
Q (MPa)
171.49
a 1 (MPa)
272.45
C 1
2123.61
a 2 (MPa)
306.78
C 2
2587.69
Z
2018.32
n
5.17
k (MPa)
126.23