73 lines
2.4 KiB
Plaintext
73 lines
2.4 KiB
Plaintext
<materials>
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[TWIP steel FeMnC]
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crystal_structure 1
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Nslip 12
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Ntwin 12
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## Elastic constants
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# Unit in [Pa]
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C11 245.0e9
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C12 105.0e9
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C44 65.0e9
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## Parameters for phenomenological modeling
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# Unit in [Pa]
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s0_slip 85.0e6
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gdot0_slip 0.001
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n_slip 100.0
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h0 355.0e6
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s_sat 265.0e6
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w0 1.0
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# Self and latent hardening coefficients
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hardening_coefficients 1.0 1.4
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## Parameters for dislocation-based modeling
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# Initial dislocation density [m]²
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rho0 2.8e13
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# Burgers vector [m]
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burgers 2.56e-10
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# Activation energy for dislocation glide [J/K]
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Qedge 3.0e-19
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# Reference for passing stress [Pa]
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tau0 0.0
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# Passing stress adjustment
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c1 0.1
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# Jump width adjustment
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c2 2.0
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# Activation volume adjustment
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c3 1.2
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# Dislocation storage adjustment
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# = c4(Anxin)*c2(Anxin) !!!!!!
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c4 14.25
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# Grain boundaries storage adjustment
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c5 1.0
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# Athermal annihilation adjustment
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c7 23.5
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# Dislocation interaction coefficients
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interaction_coefficients 1.0 2.2 3.0 1.6 3.8 4.5
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# Twin parameters
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# Grain size [m]
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grain_size 2.0e-5
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# Twin thickness (stacks) [m]
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stack_size 5.0e-8
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# Activation length for twin nucleation [m]
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d_star 5.0e-10
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# Twin saturation value
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f_sat 0.3
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# Twin boundaries storage adjustment
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c6 0.425
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# Scaling of really activated nucleation sites
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c8 2.0e-3
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# Selection of active twin systems
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c9 10.0
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# Twin resistance [Pa]
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twin_resistance 1000.0e6
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stacking_fault_energy 2.0e-2
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<textures>
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[cube SX]
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symmetry no /monoclinic /orthorhombic
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Ngrains 1 /2 /4
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(gauss) phi1 0.0 phi 0.0 phi2 0.0 scatter 0.0 fraction 1.0
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