CBr4-C2Cl6共晶合金生长的三维多相场模拟 I. 模型建立及验证
收稿日期: 2010-02-19
修回日期: 2010-05-10
网络出版日期: 2010-07-11
基金资助
中国博士后基金项目20090460654, 上海市科委项目0752nm004和08DZ2201300资助
THREE DIMENSIONAL MULTI-PHASE FIELD SIMULATION OF GROWTH OF EUTECTIC CBr4-C2Cl6 ALLOY
I. Modeling and Testing
Received date: 2010-02-19
Revised date: 2010-05-10
Online published: 2010-07-11
Supported by
Supported by China Postdoctoral Science Foundation (No.20090460654) and Shanghai Science and Technology Committee (Nos.0752nm004 and 08DZ2201300)
杨玉娟 , 严彪 . CBr4-C2Cl6共晶合金生长的三维多相场模拟 I. 模型建立及验证[J]. 金属学报, 2010 , 46(7) : 781 -786 . DOI: 10.3724/SP.J.1037.2010.00091
The KKSO multi-phase field model is extended to three dimensions (3D). The modeling and the choice of parameters are confirmed to be correct by tests with low lamellar thickness. With the KKSO multi-phase field model, the morphology evolution of hypoeutectic, eutectic and hypereutectic CBr4-C2Cl6 alloy is studied with low lamellar< thickness. The simulated results showed that the morphology evolution in 3D is similar to that in two dimensions (2D). With the increase of the dimensionless initial lamellar spacings Λ in the range of 0.598-2.336, the sequence of morphology evolution is: lamellar merges→stable growth→lamellar oscillation→lamellar branching. But the critical value of morphology evolution in 3D is smaller than that in 2D due to effect of the third dimension.
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