37 lines
1.6 KiB
Plaintext
37 lines
1.6 KiB
Plaintext
[Tungsten]
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elasticity hooke
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plasticity dislotwin
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### Material parameters ###
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lattice_structure bcc
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C11 523.0e9 # From Marinica et al. Journal of Physics: Condensed Matter(2013)
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C12 202.0e9
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C44 161.0e9
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grainsize 2.0e-5 # Average grain size [m]
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SolidSolutionStrength 1.5e8 # Strength due to elements in solid solution
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### Dislocation glide parameters ###
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#per family
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Nslip 12 0
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slipburgers 2.72e-10 # Burgers vector of slip system [m]
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rhoedge0 1.0e12 # Initial edge dislocation density [m/m**3]
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rhoedgedip0 1.0 # Initial edged dipole dislocation density [m/m**3]
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v0 1.0e-4 # Initial glide velocity [m/s]
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Qedge 2.725e-19 # Activation energy for dislocation glide [J]
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p_slip 0.78 # p-exponent in glide velocity
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q_slip 1.58 # q-exponent in glide velocity
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tau_peierls 2.03e9 # peierls stress (for bcc)
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dipoleformationfactor 0 # to have hardening due to dipole formation off
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#hardening
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CLambdaSlip 10.0 # Adj. parameter controlling dislocation mean free path
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D0 4.0e-5 # Vacancy diffusion prefactor [m**2/s]
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Qsd 4.5e-19 # Activation energy for climb [J]
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Catomicvolume 1.0 # Adj. parameter controlling the atomic volume [in b]
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Cedgedipmindistance 1.0 # Adj. parameter controlling the minimum dipole distance [in b]
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interaction_slipslip 1 1 1.4 1.4 1.4 1.4
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