38 lines
1.6 KiB
Plaintext
38 lines
1.6 KiB
Plaintext
### $Id$ ###
|
|
[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
|
|
|
|
|