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removed special characters from twip steel section in material.config 

changed crirtical twin stress in constitutive_dislotwin.f90
This commit is contained in:
Franz Roters 2010-03-24 08:17:27 +00:00
parent 2c6c8fa04e
commit 3aa2dd5fef
2 changed files with 22 additions and 22 deletions
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2
code/constitutive_dislotwin.f90
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@ -824,7 +824,7 @@ forall (t = 1:nt) &
state(g,ip,el)%p(6*ns+3*nt+t) = &
constitutive_dislotwin_Cthresholdtwin(myInstance)*&
(sfe/(3.0_pReal*constitutive_dislotwin_burgersPerTwinSystem(t,myInstance))+&
(constitutive_dislotwin_burgersPerTwinSystem(t,myInstance)*constitutive_dislotwin_Gmod(myInstance))/&
3.0_pReal*constitutive_dislotwin_burgersPerTwinSystem(t,myInstance)*constitutive_dislotwin_Gmod(myInstance)/&
state(g,ip,el)%p(5*ns+2*nt+t))
!* final twin volume after growth

42
code/material.config
View File

@ -303,40 +303,40 @@ 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]
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/m³]
rhoedgedip0 1.0 0 0 0 # Initial dislocation density [m/m³]
rhoedge0 1.0e12 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]
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
D0 4.0e-5 # Vacancy diffusion prefactor [m²/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]
D0 4.0e-5 # Vacancy diffusion prefactor [m**2/s]
Qsd 4.5e-19 # Activation energy for climb [J]
pexponent 1.0 # p-exponent in glide velocity
qexponent 1.0 # q-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/m³.s]
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
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
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
#-------------------#
<texture>