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 1 Material properties of Al-4 wt% Cu alloy [35].

Property and symbol Value Units Density, ρ 2.475×103 kg m-3 Solute diffusivity in liquid, Dl 3×10-9 m2 s-1 Gibbs-Thomson coefficient, Γ 2.4×10-7 mK Partition coefficient, k0 0.17 Liquidus slope, mL -2.6 K wt%-1 Liquidus temperature, Teq 921.15 K Initial composition, C0 4 wt% Anisotropy coefficient, ε 0.0267