DAMASK_EICMD/config/Phase_Dislotwin_Tungsten.co...

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### $Id$ ###
[Tungsten]
elasticity hooke
plasticity dislotwin
### Material parameters ###
lattice_structure bcc
C11 523.0e9 # From Marinica et al. Journal of Physics: Condensed Matter(2013)
C12 202.0e9
C44 161.0e9
grainsize 2.0e-5 # Average grain size [m]
SolidSolutionStrength 1.5e8 # Strength due to elements in solid solution
### Dislocation glide parameters ###
#per family
Nslip 12 0
slipburgers 2.72e-10 # Burgers vector of slip system [m]
rhoedge0 1.0e12 # Initial edge dislocation density [m/m**3]
rhoedgedip0 1.0 # Initial edged dipole dislocation density [m/m**3]
v0 1.0e-4 # Initial glide velocity [m/s]
Qedge 2.725e-19 # Activation energy for dislocation glide [J]
p_slip 0.78 # p-exponent in glide velocity
q_slip 1.58 # q-exponent in glide velocity
tau_peierls 2.03e9 # peierls stress (for bcc)
dipoleformationfactor 0 # to have hardening due to dipole formation off
#hardening
CLambdaSlip 10.0 # Adj. parameter controlling dislocation mean free path
D0 4.0e-5 # Vacancy diffusion prefactor [m**2/s]
Qsd 4.5e-19 # Activation energy for climb [J]
Catomicvolume 1.0 # Adj. parameter controlling the atomic volume [in b]
Cedgedipmindistance 1.0 # Adj. parameter controlling the minimum dipole distance [in b]
interaction_slipslip 1 1 1.4 1.4 1.4 1.4