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Table 1 Optimised parameter values for the viscoplastic constitutive model

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