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updated section with dislotwin paramters

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Franz Roters 2010-05-06 09:01:54 +00:00
parent 383a36b226
commit f23b4d16d1
1 changed files with 42 additions and 41 deletions
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code/material.config
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@ -299,54 +299,55 @@ relevantResistance 1
[TWIP steel FeMnC] [TWIP steel FeMnC]
#(output) edge_density constitution dislotwin
#(output) dipole_density
#(output) shear_rate_slip #(output) edge_density
#(output) mfp_slip #(output) dipole_density
#(output) resolved_stress_slip #(output) shear_rate_slip
#(output) threshold_stress_slip #(output) mfp_slip
#(output) twin_fraction #(output) resolved_stress_slip
#(output) shear_rate_twin #(output) threshold_stress_slip
#(output) mfp_twin #(output) twin_fraction
#(output) resolved_stress_twin #(output) shear_rate_twin
#(output) threshold_stress_twin #(output) mfp_twin
#(output) resolved_stress_twin
#(output) threshold_stress_twin
### Material parameters ### ### Material parameters ###
lattice_structure fcc lattice_structure fcc
constitution dislotwin C11 175.0e9 # From Music et al. Applied Physics Letters 91, 191904 (2007)
C11 175.0e9 # From Music et al. Applied Physics Letters 91, 191904 (2007) C12 115.0e9
C12 115.0e9 C44 135.0e9
C44 135.0e9 grainsize 2.0e-5 # Average grain size [m]
grainsize 2.0e-5 # Average grain size [m]
### Dislocation glide adjusting parameters ### ### Dislocation glide parameters ###
Nslip 12 0 0 0 Nslip 12 0 0 0
slipburgers 2.56e-10 0 0 0 # Burgers vector of slip system [m] slipburgers 2.56e-10 0 0 0 # Burgers vector of slip system [m]
rhoedge0 1.0e12 0 0 0 # Initial dislocation density [m/m**3] rhoedge0 1.0e12 0 0 0 # Initial dislocation density [m/m**3]
rhoedgedip0 1.0 0 0 0 # Initial dislocation density [m/m**3] rhoedgedip0 1.0 0 0 0 # Initial dislocation density [m/m**3]
Qedge 3.7e-19 0 0 0 # Activation energy for dislocation glide [J] Qedge 3.7e-19 0 0 0 # Activation energy for dislocation glide [J]
v0 1.0e-4 0 0 0 # Initial glide velocity [m/s] v0 1.0e-4 0 0 0 # Initial glide velocity [m/s]
CLambdaSlip 10.0 0 0 0 # Adj. parameter controlling dislocation mean free path CLambdaSlip 10.0 0 0 0 # Adj. parameter controlling dislocation mean free path
D0 4.0e-5 # Vacancy diffusion prefactor [m**2/s] D0 4.0e-5 # Vacancy diffusion prefactor [m**2/s]
Qsd 4.5e-19 # Activation energy for climb [J] Qsd 4.5e-19 # Activation energy for climb [J]
pexponent 1.0 # p-exponent in glide velocity pexponent 1.0 # p-exponent in glide velocity
qexponent 1.0 # q-exponent in glide velocity qexponent 1.0 # q-exponent in glide velocity
Catomicvolume 1.0 # Adj. parameter controlling the atomic volume [in b] Catomicvolume 1.0 # Adj. parameter controlling the atomic volume [in b]
Cedgedipmindistance 1.0 # Adj. parameter controlling the minimum dipole distance [in b] Cedgedipmindistance 1.0 # Adj. parameter controlling the minimum dipole distance [in b]
relevantRho 1.0e-200 relevantRho 1.0e-200
interactionSlipSlip 0.122 0.122 0.625 0.07 0.137 0.122 # Interaction coefficients (Kubin et al. 2008) interactionSlipSlip 0.122 0.122 0.625 0.07 0.137 0.122 # Interaction coefficients (Kubin et al. 2008)
### dislocation density-based constitutive parameters ### ### Twinning parameters ###
Ntwin 12 Ntwin 12
twinburgers 1.47e-10 # Burgers vector of twin system [m] twinburgers 1.47e-10 # Burgers vector of twin system [m]
twinsize 5.0e-8 # Twin stack mean thickness [m] twinsize 5.0e-8 # Twin stack mean thickness [m]
maxtwinfraction 1.0 # Maximum admissible twin volume fraction maxtwinfraction 1.0 # Maximum admissible twin volume fraction
Ndot0 0.0 # Number of potential sources per volume per time [1/m**3.s] Ndot0 0.0 # Number of potential sources per volume per time [1/m**3.s]
rexponent 10.0 # r-exponent in glide velocity rexponent 10.0 # r-exponent in twin formation probability
Cmfptwin 1.0 # Adj. parameter controlling twin mean free path Cmfptwin 1.0 # Adj. parameter controlling twin mean free path
Cthresholdtwin 1.0 # Adj. parameter controlling twin threshold stress Cthresholdtwin 1.0 # Adj. parameter controlling twin threshold stress
interactionSlipTwin 0.0 1.0 # Dislocation interaction coefficients interactionSlipTwin 0.0 1.0 # Dislocation-Twin interaction coefficients
interactionTwinTwin 0.0 1.0 # Dislocation interaction coefficients interactionTwinTwin 0.0 1.0 # Twin-Twin interaction coefficients
#-------------------# #-------------------#
<texture> <texture>