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updated section with dislotwin paramters

This commit is contained in:
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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@ -299,6 +299,8 @@ relevantResistance 1
[TWIP steel FeMnC]
constitution dislotwin
#(output) edge_density
#(output) dipole_density
#(output) shear_rate_slip
@ -313,13 +315,12 @@ relevantResistance 1
### 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 ###
### Dislocation glide 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**3]
@ -336,17 +337,17 @@ Cedgedipmindistance 1.0 # Adj. parameter controlling the minimum dipole dista
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 ###
### Twinning 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 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
Cthresholdtwin 1.0 # Adj. parameter controlling twin threshold stress
interactionSlipTwin 0.0 1.0 # Dislocation interaction coefficients
interactionTwinTwin 0.0 1.0 # Dislocation interaction coefficients
interactionSlipTwin 0.0 1.0 # Dislocation-Twin interaction coefficients
interactionTwinTwin 0.0 1.0 # Twin-Twin interaction coefficients
#-------------------#
<texture>