Numerical simulation for dendrite growth in directional solidification using LBM-CA (cellular automata) coupled method

Wonjoo Lee, Yuhyeong Jeong, Jae-Wook Lee, Howon Lee, Seong-hoon Kang, Young-Min Kim, Jonghun Yoon

Table 5 Material properties of Ni-based superalloy [53,54].

Property and symbol Value Units Density, ρ 8.780×103 kg m-3 Solute diffusivity in liquid, Dl 3.6×10-9 m2 s-1 Gibbs-Thomson coefficient, Γ 3.65×10-7 mK Partition coefficient, k0 0.788 Liquidus slope, mL -3.95 K wt%-1 Liquidus temperature, Teq 1672 K Initial composition, C0 37.0 wt% Anisotropy coefficient, ε 0.02 Viscosity, μ 8.5×10-3 kg m-1 s-1