DAMASK_EICMD/trunk/mattex.mpie

<materials>
[TWIP steel FeMnC]
lattice_structure		              1
Nslip				              12
Ntwin                                         12
## Elastic constants 
# Unit in [Pa]
C11				              245.0e9
C12				              105.0e9
C44				              65.0e9

## 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
# Initial dislocation density [m]<5D>
rho0				              2.8e13 
# Burgers vector [m]                        
burgers			                      2.56e-10
# Activation energy for dislocation glide [J/K]
Qedge				              3.0e-19
# Reference for passing stress [Pa]
tau0		                              0.0
# Passing stress adjustment
c1				              0.1
# Jump width adjustment
c2                                            2.0
# Activation volume adjustment
c3                                            1.2
# Dislocation storage adjustment
# = c4(Anxin)*c2(Anxin) !!!!!!
c4                      	              14.25
# Grain boundaries storage adjustment
c5                                            1.0 
# Athermal annihilation adjustment
c7				              23.5
# Dislocation interaction coefficients
interaction_coefficients	              1.0 2.2 3.0 1.6 3.8 4.5

# Twin parameters
# Grain size [m]
grain_size                                    2.0e-5
# Twin thickness (stacks) [m]
stack_size                                    5.0e-8
# Activation length for twin nucleation [m]
d_star                                        5.0e-10
# Twin saturation value
f_sat                                         0.3
# Twin boundaries storage adjustment
c6                                            0.425
# Scaling of really activated nucleation sites
c8                                            2.0e-3
# Selection of active twin systems
c9                                            10.0
# Twin resistance [Pa]
twin_resistance                               1000.0e6
stacking_fault_energy                         2.0e-2
                      

<textures>
[cube SX]
symmetry			no /monoclinic /orthorhombic
Ngrains				1 /2 /4
(gauss)				phi1	0.0	phi	0.0	phi2	0.0 scatter 0.0	fraction 1.0