From: Three-dimensional finite element modeling of ductile crack initiation and propagation
Shear modulus G | 80.19 GPa |
Bulk modulus K | 164.21 GPa |
Initial flow stress \(\tau _{\mathrm {y}0}\) | 0.45 GPa |
Residual flow stress \(\tau _{\mathrm {y}\infty }\) | 0.715 GPa |
Linear hardening coefficient h | 0.129 GPa |
Saturation exponent \(\alpha \) | 16.93 |
Damage initiation threshold \(\kappa _\mathrm {i}\) | 0 |
Critical value of history parameter \(\kappa _\mathrm {c}\) | 0.4 |
Intrinsic length \(\ell \) | 1 mm |
Damage parameter A | 3.9 |
Damage parameter B | 0.63 |