Merge branch 'dislotwin-parameters' into 'development'

example files for TWIP/TRIP

See merge request damask/DAMASK!636
This commit is contained in:
Franz Roters 2022-10-26 06:59:59 +00:00
commit 9149e760f6
4 changed files with 80 additions and 5 deletions

@ -1 +1 @@
Subproject commit 36c2fe3cde7fc1397ddd0fef71b2f4b40b72bba8
Subproject commit 7b1ad767256f796f56514d8888027499fe777132

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@ -13,7 +13,7 @@ output: [rho_dip, rho_mob]
N_sl: [12, 12]
b_sl: [2.49e-10, 2.49e-10]
rho_mob_0: [2.81e12, 2.8e+12]
rho_mob_0: [2.81e+12, 2.8e+12]
rho_dip_0: [1.0, 1.0] # not given
v_0: [1.4e+3, 1.4e+3]
Q_sl: [1.57e-19, 1.57e-19] # Delta_F

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@ -0,0 +1,72 @@
type: dislotwin
references:
- S.L. Wong et al.,
Acta Materialia 118:140-151, 2016,
https://doi.org/10.1016/j.actamat.2016.07.032
- K. Sedighiani et al.,
Mechanics of Materials, 164:104117, 2022,
https://doi.org/10.1016/j.mechmat.2021.104117
- L. Kubin et al.,
Acta Materialia 56:6040-6049,
https://doi.org/10.1016/j.actamat.2008.08.012
output: [rho_mob, rho_dip, gamma_sl, Lambda_sl, tau_pass, f_tw, Lambda_tw, f_tr]
# Glide
N_sl: [12]
b_sl: [2.56e-10] # a/sqrt(2)
Q_sl: [3.5e-19]
p_sl: [0.325]
q_sl: [1.55]
B: [0.001]
i_sl: [30.0]
v_0: [1.4e+3]
tau_0: [5.5e+8] # adjusted
D_a: 2.0
Q_cl: 3.0e-19
rho_mob_0: [5.0e+10]
rho_dip_0: [5.0e+10]
h_sl-sl: [0.122, 0.122, 0.625, 0.07, 0.137, 0.137, 0.122]
# Twin
N_tw: [12]
b_tw: [1.47e-10] # a_cF/sqrt(6)
L_tw: 1.91e-7 # 1300 *b_tw
i_tw: 10.0
t_tw: [5.0e-8]
p_tw: [7] # A, adjusted
h_tw-tw: [1.0, 1.0]
h_sl-tw: [1.0, 1.0, 1.0]
# Transformation
N_tr: [12]
b_tr: [1.47e-10] # a_cF/sqrt(6)
L_tr: 2.21e-7 # 1500 *b_tr
i_tr: 10.0 # adjusted
t_tr: [1.0e-7]
p_tr: [4] # B, adjusted
V_mol: 7.09e-6
c/a_hP: 1.633
Delta_G: 1.2055e+2
Delta_G,T: 2.5515
Delta_G,T^2: 1.4952e-3
h_tr-tr: [1.0, 1.0]
h_sl-tr: [1.5, 1.5, 1.5]
# Twin & Transformation
T_ref: 293.15
Gamma_sf: 2.833e-2
Gamma_sf,T: 1.214e-4
Gamma_sf,T^2: 1.473e-7
x_c: 1.0e-9
V_cs: 1.67e-29
# Slip & Twin & Transformation
D: 5.0e-5

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@ -27,7 +27,6 @@ submodule(phase:plastic) dislotwin
gamma_0_sb = 1.0_pReal, & !< value for shearband velocity_0
E_sb = 1.0_pReal, & !< activation energy for shear bands
h = 1.0_pReal, & !< stack height of hex nucleus
a_cF = 1.0_pReal, &
cOverA_hP = 1.0_pReal, &
V_mol = 1.0_pReal, &
rho = 1.0_pReal
@ -55,8 +54,8 @@ submodule(phase:plastic) dislotwin
real(pReal), allocatable, dimension(:,:) :: &
h_sl_sl, & !< components of slip-slip interaction matrix
h_sl_tw, & !< components of slip-twin interaction matrix
h_tw_tw, & !< components of twin-twin interaction matrix
h_sl_tr, & !< components of slip-trans interaction matrix
h_tw_tw, & !< components of twin-twin interaction matrix
h_tr_tr, & !< components of trans-trans interaction matrix
n0_sl, & !< slip system normal
forestProjection
@ -302,7 +301,7 @@ module function plastic_dislotwin_init() result(myPlasticity)
prm%i_tr = pl%get_asFloat('i_tr')
prm%Delta_G = polynomial(pl%asDict(),'Delta_G','T')
prm%L_tr = pl%get_asFloat('L_tr')
a_cF = pl%get_asFloat('a_cF')
a_cF = prm%b_tr(1)*sqrt(6.0_pReal) ! b_tr is Shockley partial
prm%h = 5.0_pReal * a_cF/sqrt(3.0_pReal)
prm%cOverA_hP = pl%get_asFloat('c/a_hP')
prm%rho = 4.0_pReal/(sqrt(3.0_pReal)*a_cF**2)/N_A
@ -372,6 +371,10 @@ module function plastic_dislotwin_init() result(myPlasticity)
if (prm%fccTwinTransNucleation .and. size(prm%N_tr) /= 1) extmsg = trim(extmsg)//' N_tr: nucleation'
end if slipAndTransActive
twinAndTransActive: if (prm%sum_N_tw * prm%sum_N_tr > 0) then
if (dNeq(prm%b_tw(1),prm%b_tr(1))) extmsg = trim(extmsg)//' b_tw != b_tr'
end if twinAndTransActive
!--------------------------------------------------------------------------------------------------
! allocate state arrays
Nmembers = count(material_phaseID == ph)