78 lines
2.9 KiB
Plaintext
78 lines
2.9 KiB
Plaintext
<materials>
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[TWIP steel FeMnC]
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lattice_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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# 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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# Initial dislocation density [m]²
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rho0 2.8e13
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# Average grain size [m]
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grain_size 2.0e-5
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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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# Average slip distance adjustment for lock formation
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# = c4(Anxin)*c2(Anxin) !!!!!!
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c4 14.25
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# Average slip distance adjustment when grain boundaries
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c5 1.0
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# Average slip distance adjustment when twin boundaries
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c6 0.1
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# Athermal recovery 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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## Parameters for mechanical twinning
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# Average twin thickness (stacks) [m]
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stack_size 5.0e-8
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# Total twin volume fraction saturation
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f_sat 0.2
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# Scaling potential nucleation sites
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site_scaling 1.0e-7
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# Scaling the P-K force on the twinning dislocation
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q1 0.75
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# Scaling the resolved shear stress
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q2 1.0
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<textures>
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[cube SX]
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symmetry no /monoclinic /orthorhombic
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Ngrains 10 /2 /4
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#(gauss) phi1 0.0 phi 29.21 phi2 -26.57 scatter 0.0 fraction 1.0
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#(gauss) phi1 0.0 phi 54.74 phi2 -45.0 scatter 0.0 fraction 0.1
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#(gauss) phi1 0.0 phi 45.0 phi2 0.0 scatter 0.0 fraction 0.1
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#(gauss) phi1 0.0 phi 0.0 phi2 0.0 scatter 0.0 fraction 0.1
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#(gauss) phi1 0.0 phi 35.26 phi2 -45.0 scatter 0.0 fraction 0.1
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#(gauss) phi1 0.0 phi 48.19 phi2 -26.57 scatter 0.0 fraction 0.1
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#(gauss) phi1 0.0 phi 26.57 phi2 0.0 scatter 0.0 fraction 0.1
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#(gauss) phi1 0.0 phi 42.03 phi2 -33.69 scatter 0.0 fraction 0.1
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#(gauss) phi1 0.0 phi 40.36 phi2 -11.31 scatter 0.0 fraction 0.1
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#(gauss) phi1 0.0 phi 15.62 phi2 -26.57 scatter 0.0 fraction 0.1
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