38 lines
1.9 KiB
Plaintext
38 lines
1.9 KiB
Plaintext
|
### $Id$ ###
|
||
|
|
|
||
|
|
[Tungsten]
|
||
|
|
elasticity hooke
|
||
|
|
plasticity dislokmc
|
||
|
|
|
||
|
|
### 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] 2.0e-5
|
||
|
|
SolidSolutionStrength 0.0 # 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]
|
||
|
|
Qedge 2.725e-19 # Activation energy for dislocation glide [J]
|
||
|
|
v0 3560.3 # Initial glide velocity [m/s](kmC)
|
||
|
|
p_slip 0.16 # p-exponent in glide velocity
|
||
|
|
q_slip 1.00 # q-exponent in glide velocity
|
||
|
|
u_slip 2.47 # u-exponent of stress pre-factor (kmC)
|
||
|
|
s_slip 0.97 # self hardening in glide velocity (kmC)
|
||
|
|
tau_peierls 2.03e9 # peierls stress [Pa]
|
||
|
|
|
||
|
|
#hardening
|
||
|
|
dipoleformationfactor 0 # to have hardening due to dipole formation off
|
||
|
|
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 0.2 0.11 0.19 0.15 0.11 0.17
|