2014-08-08 19:21:11 +05:30
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### $Id$ ###
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2014-12-18 22:25:43 +05:30
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2014-08-08 19:21:11 +05:30
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[Tungsten]
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elasticity hooke
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plasticity dislokmc
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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] 2.0e-5
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SolidSolutionStrength 0.0 # 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] 1.0e12
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rhoedgedip0 1.0 # Initial edged dipole dislocation density [m/m**3]
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Qedge 2.725e-19 # Activation energy for dislocation glide [J]
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v0 3560.3 # Initial glide velocity [m/s] 1.0e-4 (kmC)
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p_slip 0.16 # p-exponent in glide velocity
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q_slip 1.00 # q-exponent in glide velocity
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u_slip 2.47 # u-exponent of stress pre-factor (kmC)
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s_slip 0.97 # self hardening in glide velocity (kmC)
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tau_peierls 2.03e9 # peierls stress [Pa]
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#hardening
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dipoleformationfactor 0 # to have hardening due to dipole formation off
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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 0.2 0.11 0.19 0.15 0.11 0.17
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