takeover from original paper

This commit is contained in:
Martin Diehl 2021-07-23 21:51:51 +02:00
parent f96b0371ac
commit 2d1d99542c
2 changed files with 26 additions and 42 deletions

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[Tungsten]
elasticity hooke
plasticity disloucla
(output) edge_density
(output) dipole_density
(output) shear_rate_slip
(output) accumulated_shear_slip
(output) resolved_stress_slip
(output) threshold_stress_slip
grainsize 2.7e-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
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 2.61154e-19 # Activation energy for dislocation glide [J], 1.63 eV
v0 1 # Initial glide velocity [m/s]
p_slip 0.86 # p-exponent in glide velocity
q_slip 1.69 # q-exponent in glide velocity
tau_peierls 2.03e9 # peierls stress [Pa]
#mobility law
kink_height 2.567e-10 # kink height sqrt(6)/3*lattice_parameter [m]
omega 9.1e11 # attemp frequency (from kMC paper) [s^(-1)]
kink_width 29.95e-10 # kink pair width ~ 11 b (kMC paper) [m]
dislolength 78e-10 # dislocation length (ideally lambda) [m] initial value 11b
friction_coeff 8.3e-5 # friction coeff. B [Pa*s]
#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 0.009 0.72 0.009 0.05 0.05 0.06 0.09
nonschmid_coefficients 0.938 0.71 4.43 0.0 0.0 0.0

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type: dislotungsten
N_sl: [12]
rho_mob_0: [1.0e+9]
rho_dip_0: [1.0]
nu_a: [9.1e+11]
b_sl: [2.72e-10]
Delta_H_kp,0: [2.61154e-19] # 1.63 eV, Delta_H0
tau_Peierls: [2.03e+9]
p_sl: [0.86]
q_sl: [1.69]
h: [2.566e-10]
w: [2.992e-09]
B: [8.3e-5]
D_a: 1.0 # d_edge
# climb (disabled)
D_0: 0.0
Q_cl: 0.0
V_cl: [0.0]
h_sl-sl: [0.009, 0.72, 0.009, 0.05, 0.05, 0.06, 0.09]
a_nonSchmid: [0.938, 0.71, 4.43]