Numerical Simulation of Macrosegregation Formation in Binary Alloy Solidification Processing Based on Modified Projection Method

Wei Xu; Jian Xin Zhou; Sheng Yong Pang; Dun Ming Liao; Ya Jun Yin

doi:10.4028/www.scientific.net/AMR.314-316.369

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 314-316Numerical Simulation of Macrosegregation Formation...

Numerical Simulation of Macrosegregation Formation in Binary Alloy Solidification Processing Based on Modified Projection Method

Abstract:

A simplified mathematical model for describing the solidification processing of fluid flow, heat and solute transfer in binary alloys is developed. The conservation equations are numerically solved on a staggered grid by using the control volume-based finite difference method. As the interdendritic flow in the mushy zone is governed by Darcy’s law, the Modified Projection Method is presented for solving the momentum and continuity equations. The solidification processing of Fe-C alloy in rectangular domains is simulated and discussed. The numerical result shows that, by using the Modified Projection Method technique, the presented model is able to predict the macrosegregation formation effectively.

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Advanced Manufacturing Technology, ADME 2011

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Advanced Materials Research (Volumes 314-316)

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369-373

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https://doi.org/10.4028/www.scientific.net/AMR.314-316.369

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Online since:

August 2011

Authors:

Wei Xu, Jian Xin Zhou, Sheng Yong Pang, Dun Ming Liao, Ya Jun Yin

Keywords:

Macrosegregation, Modified Projection Method, Numerical Simulation, Solidification

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