A lattice Boltzmann–cellular automaton study on dendrite growth with melt convection in solidification of ternary alloys*

Project supported by the National Natural Science Foundation of China (Grant Nos. 51728601 and 51771118).

Sun Dong-Ke1, 2, †, Chai Zhen-Hua3, Li Qian4, Lin Guang5
       

(color online) Characteristics of multiple dendrite growth in the presence of melt convection of a = (0, 0.02) m/s2 at Rc = 5.0 K/s and initial seed numbers of 20, 40, 60, 80: (a) time history of the solid fraction, and (b) solidification entropy Ss, (c) concentration entropy of solute Cu, (d) concentration entropy of solute Mg as functions of solid fraction Fs.