DAMASK_EICMD/trunk/mattex.mpie

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3.2 KiB
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<materials>
[TWIP steel FeMnC]
lattice_structure 1
Nslip 12
Ntwin 0
## Elastic constants
# Unit in [Pa]
C11 183.9e9
C12 101.9e9
C44 115.4e9
## Parameters for phenomenological modeling
# Unit in [Pa]
s0_slip 85.0e6
gdot0_slip 0.001
n_slip 100.0
h0 355.0e6
s_sat 265.0e6
w0 1.0
# Self and latent hardening coefficients
hardening_coefficients 1.0 1.4
## Parameters for dislocation-based modeling
# Burgers vector [m]
burgers 2.56e-10
# Activation energy for dislocation glide [J/K] (0.5*G*b^3)
Qedge 5.5e-19
# Activation energy for self diffusion [J/K] (gamma-iron)
Qsd 4.7e-19
# Vacancy diffusion coeffficent (gamma-iron)
diff0 4.0e-5
# Average grain size [m]
grain_size 2.0e-5
# Dislocation interaction coefficients
interaction_coefficients 1.0 2.2 3.0 1.6 3.8 4.5
# Initial dislocation density [m]²
rho0 6.0e12
# Passing stress adjustment
c1 0.1
# Jump width adjustment
c2 2.0
# Activation volume adjustment
c3 1.0
# Average slip distance adjustment for lock formation
c4 50.0
# Average slip distance adjustment when grain boundaries
c5 1.0
# Athermal recovery adjustment
c7 8.0
# Thermal recovery adjustment (plays no role for me)
c8 1.0e10
## Parameters for mechanical twinning
# Average twin thickness (stacks) [m]
stack_size 5.0e-8
# Total twin volume fraction saturation
f_sat 1.0
# Average slip distance adjustment when twin boundaries
c6
# Scaling potential nucleation sites
site_scaling 1.0e-6
# Scaling the P-K force on the twinning dislocation
q1 1.0
# Scaling the resolved shear stress
q2 1.0
<textures>
[cube SX]
symmetry no /monoclinic /orthorhombic
Ngrains 10 /2 /4
#(gauss) phi1 0.0 phi 29.21 phi2 -26.57 scatter 0.0 fraction 1.0
#(gauss) phi1 0.0 phi 54.74 phi2 -45.0 scatter 0.0 fraction 0.1
#(gauss) phi1 0.0 phi 45.0 phi2 0.0 scatter 0.0 fraction 0.1
#(gauss) phi1 0.0 phi 0.0 phi2 0.0 scatter 0.0 fraction 0.1
#(gauss) phi1 0.0 phi 35.26 phi2 -45.0 scatter 0.0 fraction 0.1
#(gauss) phi1 0.0 phi 48.19 phi2 -26.57 scatter 0.0 fraction 0.1
#(gauss) phi1 0.0 phi 26.57 phi2 0.0 scatter 0.0 fraction 0.1
#(gauss) phi1 0.0 phi 42.03 phi2 -33.69 scatter 0.0 fraction 0.1
#(gauss) phi1 0.0 phi 40.36 phi2 -11.31 scatter 0.0 fraction 0.1
#(gauss) phi1 0.0 phi 15.62 phi2 -26.57 scatter 0.0 fraction 0.1