[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