23 lines
1.0 KiB
YAML
23 lines
1.0 KiB
YAML
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Tungsten:
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lattice: cI
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mechanics:
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elasticity: {C_11: 523.0e9, C_12: 202.0e9, C_44: 161.0e9, type: hooke} # From Marinica et al. Journal of Physics: Condensed Matter(2013)
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plasticity:
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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 of slip system [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: [1.0e-4] # 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]
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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 # Adj. parameter controlling the minimum dipole distance [in 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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no_dipole_formation: True
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