### $Id$ ### [Tungsten] elasticity hooke plasticity dislokmc ### Material parameters ### lattice_structure bcc C11 523.0e9 # From Marinica et al. Journal of Physics: Condensed Matter(2013) C12 202.0e9 C44 161.0e9 grainsize 2.0e-5 # Average grain size [m] 2.0e-5 SolidSolutionStrength 0.0 # Strength due to elements in solid solution ### Dislocation glide parameters ### #per family Nslip 12 0 slipburgers 2.72e-10 # Burgers vector of slip system [m] rhoedge0 1.0e12 # Initial edge dislocation density [m/m**3] 1.0e12 rhoedgedip0 1.0 # Initial edged dipole dislocation density [m/m**3] Qedge 2.725e-19 # Activation energy for dislocation glide [J] v0 3560.3 # Initial glide velocity [m/s] 1.0e-4 (kmC) p_slip 0.16 # p-exponent in glide velocity q_slip 1.00 # q-exponent in glide velocity u_slip 2.47 # u-exponent of stress pre-factor (kmC) s_slip 0.97 # self hardening in glide velocity (kmC) tau_peierls 2.03e9 # peierls stress [Pa] #hardening dipoleformationfactor 0 # to have hardening due to dipole formation off CLambdaSlip 10.0 # Adj. parameter controlling dislocation mean free path D0 4.0e-5 # Vacancy diffusion prefactor [m**2/s] Qsd 4.5e-19 # Activation energy for climb [J] Catomicvolume 1.0 # Adj. parameter controlling the atomic volume [in b] Cedgedipmindistance 1.0 # Adj. parameter controlling the minimum dipole distance [in b] interaction_slipslip 0.2 0.11 0.19 0.15 0.11 0.17