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NUMERICAL SIMULATION MICROSTRUCTURE MORPHOLOGY EVOLUTION AND SOLUTE MICROSEGREGATION OF Al-Si-Cu TERNARY ALLOYS DURING SOLIDIFICATION PROCESS

The paper was financial support by NSFC and 973 Program, Grant No. 50704006 and 2010CB735811.

State Key Laboratory for Fabrication & Processing of Non-ferrous Metals, General Research Institute for Non-ferrous Metals, No.2 Xinjiekou Wai Street, Beijing, 100088, P.R.China

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GUOJIE HUANG

State Key Laboratory for Fabrication & Processing of Non-ferrous Metals, General Research Institute for Non-ferrous Metals, No.2 Xinjiekou Wai Street, Beijing, 100088, P.R.China

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LEI CHENG

State Key Laboratory for Fabrication & Processing of Non-ferrous Metals, General Research Institute for Non-ferrous Metals, No.2 Xinjiekou Wai Street, Beijing, 100088, P.R.China

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YAO FU

State Key Laboratory for Fabrication & Processing of Non-ferrous Metals, General Research Institute for Non-ferrous Metals, No.2 Xinjiekou Wai Street, Beijing, 100088, P.R.China

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, and

QIANG LI

State Key Laboratory for Fabrication & Processing of Non-ferrous Metals, General Research Institute for Non-ferrous Metals, No.2 Xinjiekou Wai Street, Beijing, 100088, P.R.China

School of Material Science and Engineering, Shenyang Univerisity of Technology, No. 111, Shenliaoxi Road, Shenyang Liaoning, 110870, P.R.China

Henan Polytechnic University, Jiaozuo, Henan, P.R.China, 454000, P.R.China

Corresponding to author: Qiang Li, General Research Institute for Non-ferrous Metals Beijing, P.R.China 110870.

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https://doi.org/10.1142/9789814322799_0068Cited by:0 (Source: Crossref)

Abstract:

A 2D microstructure and solute microsegregation model of Al-Si-Cu ternary alloys is presented by using cellular automaton(CA) method. In CA model, an improved algorithm was presented that abandoned the assumption of solid/liquid interface position and velocity so as to calculate the solid fraction in the solid/liquid interface unit. Then, using CA model, a dendrite of Al-Si-Cu ternary alloys is simulated. Finally, solidification microstructure and solute microsegregation are simulated, and the simulated results can reflect the microstructure and different solute microsegregation during solidification process.

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Advanced Materials and Processing 2010

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NUMERICAL SIMULATION MICROSTRUCTURE MORPHOLOGY EVOLUTION AND SOLUTE MICROSEGREGATION OF Al-Si-Cu TERNARY ALLOYS DURING SOLIDIFICATION PROCESS

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