22 lines
1.0 KiB
YAML
22 lines
1.0 KiB
YAML
Tungsten:
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lattice: cI
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mechanical:
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elastic: {type: hooke, C_11: 523.0e9, C_12: 202.0e9, C_44: 161.0e9} # Marinica et al. Journal of Physics: Condensed Matter(2013)
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plastic:
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type: dislotwin
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D: 2.0e-5 # Average grain size / m
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N_sl: [12]
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b_sl: [2.72e-10] # Burgers vector length of slip families / m
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rho_mob_0: [1.0e12]
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rho_dip_0: [1.0]
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v_0: [1.0e4] # Initial glide velocity / m/s
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Q_s: [2.725e-19] # Activation energy for dislocation glide / J
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p_sl: [0.78] # p-exponent in glide velocity
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q_sl: [1.58] # q-exponent in glide velocity
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tau_0: [1.5e8] # solid solution strength / Pa
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i_sl: [10.0] # Adj. parameter controlling dislocation mean free path
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D_0: 4.0e-5 # Vacancy diffusion prefactor / m^2/s
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D_a: 1.0 # minimum dipole distance / b
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Q_cl: 4.5e-19 # Activation energy for climb / J
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h_sl_sl: [1, 1, 1.4, 1.4, 1.4, 1.4]
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