42 lines
1.9 KiB
YAML
42 lines
1.9 KiB
YAML
|
TWIP_STEEL_FeMnC:
|
||
|
|
lattice: cF
|
||
|
|
mechanics:
|
||
|
|
elasticity: {C_11: 175.0e9, C_12: 115.0e9, C_44: 135.0e9, type: hooke}
|
||
|
|
plasticity:
|
||
|
|
type: dislotwin
|
||
|
|
D: 2.0e-5
|
||
|
|
N_sl: [12]
|
||
|
|
b_sl: [2.56e-10]
|
||
|
|
rho_mob_0: [1.0e12]
|
||
|
|
rho_dip_0: [1.0]
|
||
|
|
v_0: [1.0e-4]
|
||
|
|
Q_s: [3.7e-19]
|
||
|
|
p_sl: [1.0]
|
||
|
|
q_sl: [1.0]
|
||
|
|
tau_0: [1.5e8]
|
||
|
|
i_sl: [10.0] # Adj. parameter controlling dislocation mean free path
|
||
|
|
D_0: 4.0e-5 # Vacancy diffusion prefactor [m**2/s]
|
||
|
|
D_a: 1.0 # Adj. parameter controlling the minimum dipole distance [in b]
|
||
|
|
Q_cl: 4.5e-19 # Activation energy for climb [J]
|
||
|
|
h_sl_sl: [0.122, 0.122, 0.625, 0.07, 0.137, 0.122] # Interaction coefficients (Kubin et al. 2008)
|
||
|
|
# shear band params
|
||
|
|
xi_sb: 180.0e6
|
||
|
|
Q_sb: 3.7e-19
|
||
|
|
p_sb: 1.0
|
||
|
|
q_sb: 1.0
|
||
|
|
v_sb: 0.0 #set to 0, to turn it off
|
||
|
|
### Twinning parameters ###
|
||
|
|
N_tw: [12]
|
||
|
|
b_tw: [1.47e-10] # Burgers vector of twin system [m]
|
||
|
|
t_tw: [5.0e-8] # Twin stack mean thickness [m]
|
||
|
|
L_tw: 442.0 # Length of twin nuclei in Burgers vectors
|
||
|
|
x_c_tw: 1.0e-9 # critical distance for formation of twin nucleus
|
||
|
|
V_cs: 1.67e-29 # cross slip volume
|
||
|
|
p_tw: [10.0] # r-exponent in twin formation probability
|
||
|
|
i_tw: 1.0 # Adj. parameter controlling twin mean free path
|
||
|
|
h_sl_tw: [0.0, 1.0, 1.0] # Dislocation-Twin interaction coefficients
|
||
|
|
h_tw_tw: [0.0, 1.0] # Twin-Twin interaction coefficients
|
||
|
|
Gamma_sf_0K: -0.0396 # stacking fault energy at zero K; TWIP steel: -0.0526; Cu: -0.0396
|
||
|
|
dGamma_sf_dT: 0.0002 # temperature dependance of stacking fault energy
|
||
|
|
output: [rho_mob, rho_dip, gamma_sl, Lambda_sl, tau_pass, f_tw, Lambda_tw, tau_hat_tw, f_tr]
|