DAMASK_EICMD/code/material.config

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#####################
# $Id$
#####################
<homogenization>
#####################
[SX]
type isostrain
Ngrains 1
[Grain_Cluster]
type RGC
ngrains 8
clustersize 2 2 2 # product of these numbers must be equal to ngrains(!)
grainsizeparameter 1.0e+3 1.0e+3 1.0e+3 # in [nm]
overproportionality 1.0e+1 1.0e+1 1.0e+1 # typical range between 0.1 (very large grain) to 100 (very small grain)
(output) constitutivework
(output) penaltyenergy
(output) magnitudemismatch
[Taylor2]
type isostrain
Ngrains 2
#####################
<microstructure>
#####################
[Aluminum_Poly]
(constituent) phase 3 texture 1 fraction 1.0
[Aluminum_001]
(constituent) phase 3 texture 2 fraction 1.0
[Aluminum_j2]
(constituent) phase 1 texture 1 fraction 1.0
[DP_Steel]
(constituent) phase 1 texture 1 fraction 0.82
(constituent) phase 2 texture 1 fraction 0.18
#####################
<phase>
#####################
[Aluminum_J2isotropic]
constitution j2
(output) flowstress
(output) strainrate
c11 110.9e9
c12 58.34e9
taylorfactor 3
tau0 31e6
gdot0 0.001
n 20
h0 75e6
tausat 63e6
w0 2.25
relevantResistance 1
[Aluminum_phenopowerlaw]
# slip only
constitution phenopowerlaw
(output) resistance_slip
(output) shearrate_slip
(output) resolvedstress_slip
(output) totalshear
(output) resistance_twin
(output) shearrate_twin
(output) resolvedstress_twin
(output) totalvolfrac
lattice_structure fcc
Nslip 12 0 0 0 # per family
Ntwin 0 0 0 0 # per family
2009-03-06 16:45:55 +05:30
c11 106.75e9
c12 60.41e9
c44 28.34e9
2009-03-05 22:12:05 +05:30
gdot0_slip 0.001
n_slip 20
tau0_slip 31e6 # per family
tausat_slip 63e6 # per family
w0_slip 2.25
gdot0_twin 0.001
n_twin 20
tau0_twin 31e6 # per family
s_pr 0 # push-up factor for slip saturation due to twinning
twin_b 0
twin_c 0
twin_d 0
twin_e 0
h0_slipslip 75e6
h0_sliptwin 0
h0_twinslip 0
h0_twintwin 0
interaction_slipslip 1 1 1.4 1.4 1.4 1.4
interaction_sliptwin 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
interaction_twinslip 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
interaction_twintwin 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
relevantResistance 1
[Aluminum_nonlocal]
constitution nonlocal
/nonlocal/
(output) rho
(output) delta
(output) rho_edge
(output) rho_screw
(output) excess_rho_edge
(output) excess_rho_screw
(output) rho_forest
(output) rho_dip
(output) delta_dip
(output) rho_edge_dip
(output) rho_screw_dip
(output) shearrate
(output) resolvedstress
(output) resistance
(output) rho_dot
(output) rho_dot_dip
(output) rho_dot_gen
(output) rho_dot_sgl2dip
(output) rho_dot_dip2sgl
(output) rho_dot_ann_ath
(output) rho_dot_ann_the
(output) rho_dot_flux
(output) d_upper_edge
(output) d_upper_screw
(output) d_upper_dot_screw
(output) d_upper_dot_edge
lattice_structure fcc
Nslip 12 0 0 0 # number of slip systems per family
c11 106.75e9
c12 60.41e9
c44 28.34e9
burgers 2.86e-10 0 0 0 # Burgers vector in m
rhoEdgePos0 1e10 0 0 0 # Initial positive edge dislocation density in m/m**3
rhoEdgeNeg0 1e10 0 0 0 # Initial negative edge dislocation density in m/m**3
rhoScrewPos0 1e10 0 0 0 # Initial positive screw dislocation density in m/m**3
rhoScrewNeg0 1e10 0 0 0 # Initial negative screw dislocation density in m/m**3
rhoEdgeDip0 1 0 0 0 # Initial edge dipole dislocation density in m/m**3
rhoScrewDip0 1 0 0 0 # Initial screw dipole dislocation density in m/m**3
v0 1e-4 0 0 0 # prefactor for dislocation velocity
Q0 3e-19 # activation energy for dislocation glide
dDipMinEdge 1e-9 0 0 0 # minimum distance for stable edge dipoles in m
dDipMinScrew 1e-9 0 0 0 # minimum distance for stable screw dipoles in m
lambda0 100 0 0 0 # prefactor for mean free path
atomicVolume 1.7e-29
D0 1e-4 # prefactor for self-diffusion coefficient
Qsd 2.3e-19 # activation enthalpy for seld-diffusion
relevantRho 1e3 # dislocation density considered relevant
interaction_SlipSlip 1.0 2.2 3.0 1.6 3.8 4.5 # Dislocation interaction coefficient
[BCC_Ferrite]
constitution phenopowerlaw
lattice_structure bcc
Nslip 12 0 0 0 # per family
Ntwin 0 0 0 0 # per family
c11 233.3e9
c12 135.5e9
c44 118.0e9
gdot0_slip 0.001
n_slip 20
tau0_slip 88.0e6 0 0 0 # per family
tausat_slip 201.0e6 0 0 0 # per family
gdot0_twin 0.001
n_twin 20
tau0_twin 31.0e6 0 0 0 # per family
s_pr 0 # push-up factor for slip saturation due to twinning
twin_b 0
twin_c 0
twin_d 0
twin_e 0
h0_slipslip 391.0e6
h0_sliptwin 0
h0_twinslip 0
h0_twintwin 0
interaction_slipslip 1 1 1.4 1.4 1.4 1.4
interaction_sliptwin 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
interaction_twinslip 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
interaction_twintwin 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
w0_slip 1.0
relevantResistance 1
[BCC_Martensite]
constitution phenopowerlaw
lattice_structure bcc
Nslip 12 0 0 0 # per family
Ntwin 0 0 0 0 # per family
c11 511.1e9
c12 296.9e9
c44 258.5e9
gdot0_slip 0.001
n_slip 20
tau0_slip 396.0e6 0 0 0 # per family
tausat_slip 1120.0e6 0 0 0 # per family
gdot0_twin 0.001
n_twin 20
tau0_twin 31.0e6 0 0 0 # per family
s_pr 0 # push-up factor for slip saturation due to twinning
twin_b 0
twin_c 0
twin_d 0
twin_e 0
h0_slipslip 215000.0e6
h0_sliptwin 0
h0_twinslip 0
h0_twintwin 0
interaction_slipslip 1 1 1.4 1.4 1.4 1.4
interaction_sliptwin 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
interaction_twinslip 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
interaction_twintwin 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
w0_slip 4.0
relevantResistance 1
[TWIP steel FeMnC]
#(output) edge_density
#(output) dipole_density
#(output) shear_rate_slip
#(output) mfp_slip
#(output) resolved_stress_slip
#(output) threshold_stress_slip
#(output) twin_fraction
#(output) shear_rate_twin
#(output) mfp_twin
#(output) resolved_stress_twin
#(output) threshold_stress_twin
### Material parameters ###
lattice_structure fcc
constitution dislotwin
C11 175.0e9 # From Music et al. Applied Physics Letters 91, 191904 (2007)
C12 115.0e9
C44 135.0e9
grainsize 2.0e-5 # Average grain size [m]
### Dislocation glide adjusting parameters ###
Nslip 12 0 0 0
slipburgers 2.56e-10 0 0 0 # Burgers vector of slip system [m]
rhoedge0 1.0e12 0 0 0 # Initial dislocation density [m/m<>]
rhoedgedip0 1.0 0 0 0 # Initial dislocation density [m/m<>]
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]
CLambdaSlip 10.0 0 0 0 # Adj. parameter controlling dislocation mean free path
D0 4.0e-5 # Vacancy diffusion prefactor [m<>/s]
Qsd 4.5e-19 # Activation energy for climb [J]
pexponent 1.0 # p-exponent in glide velocity
qexponent 1.0 # p-exponent in glide velocity
Catomicvolume 1.0 # Adj. parameter controlling the atomic volume [in b]
Cedgedipmindistance 1.0 # Adj. parameter controlling the minimum dipole distance [in b]
relevantRho 1.0e-200
interactionSlipSlip 0.122 0.122 0.625 0.07 0.137 0.122 # Interaction coefficients (Kubin et al. 2008)
### dislocation density-based constitutive parameters ###
Ntwin 12
twinburgers 1.47e-10 # Burgers vector of twin system [m]
twinsize 5.0e-8 # Twin stack mean thickness [m]
maxtwinfraction 1.0 # Maximum admissible twin volume fraction
Ndot0 0.0 # Number of potential source per volume per time [1/m<>.s]
rexponent 10.0 # r-exponent in glide velocity
Cmfptwin 1.0 # Adj. parameter controlling twin mean free path
Cthresholdtwin 1.0 # Adj. parameter controlling slip threshold stress
interactionSlipTwin 0.0 1.0 # Dislocation interaction coefficients
interactionTwinTwin 0.0 1.0 # Dislocation interaction coefficients
#####################
<texture>
#####################
[Rolling]
hybridIA DP_EBSD.linearODF
[random]
[001]
(gauss) phi1 0.000 Phi 0.000 phi2 0.000 scatter 0.000 fraction 1.000
[101]
(gauss) phi1 0.000 Phi 45.000 phi2 90.000 scatter 0.000 fraction 1.000
[111]
(gauss) phi1 0.000 Phi 54.7356 phi2 45.000 scatter 0.000 fraction 1.000
[123]
(gauss) phi1 209.805 Phi 29.206 phi2 63.435 scatter 0.000 fraction 1.000