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Acta Metall Sin  2010, Vol. 46 Issue (7): 781-786    DOI: 10.3724/SP.J.1037.2010.00091
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THREE DIMENSIONAL MULTI-PHASE FIELD SIMULATION OF GROWTH OF EUTECTIC CBr4-C2Cl6 ALLOY
I. Modeling and Testing
YANG Yujuan, YAN Biao
School of Materials Science and Engineering, Shanghai Key Lab of Development and Application for Metal Functional Materials, Tongji University, Shanghai 200092
Cite this article: 

YANG Yujuan YAN Biao. THREE DIMENSIONAL MULTI-PHASE FIELD SIMULATION OF GROWTH OF EUTECTIC CBr4-C2Cl6 ALLOY
I. Modeling and Testing. Acta Metall Sin, 2010, 46(7): 781-786.

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Abstract  

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.

Key words:  three dimensional (3D) multi-phase field      low lamellar thickness      morphology evolution     
Received:  19 February 2010     
Fund: 

Supported by China Postdoctoral Science Foundation (No.20090460654) and Shanghai Science and Technology Committee (Nos.0752nm004 and 08DZ2201300)

URL: 

https://www.ams.org.cn/EN/10.3724/SP.J.1037.2010.00091     OR     https://www.ams.org.cn/EN/Y2010/V46/I7/781

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