Abstract With the multiphase field method, the stability of lamellar basic state is investigated during the directional solidification of eutectic alloy CBr4--C2Cl6. A great number of lamellar patterns observed in experiments are simulated, and a stability diagram for lamellar pattern selections is presented. The simulated growth behaviours of these patterns are found to be qualitatively consistent with Karma et al's numerical calculations and experimental results. The formation of the primary instability is attributed to the destabilization of solute boundary layer.
Received: 06 January 2006
Revised: 19 December 2006
Accepted manuscript online:
Fund: Project supported by
the National Natural Science Foundation of China (Grant No~50271057).
Cite this article:
Zhu Yao-Chan(朱耀产), Wang Jin-Cheng(王锦程), Yang Gen-Cang(杨根仓), and Zhao Da-Wen(赵达文) Investigation on stability of directionally solidified CBr4--C2Cl6 lamellar eutectic by using multiphase field simulation 2007 Chinese Physics 16 805
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