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Gibbs Free Energy Calculation of Al-Cu Alloy Using Thermo-Calc Software for Microstructure Simulation

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Abstract:

The conformation of volume free energy is very important for microstructure simulation with phase-field method. However, the conformation of volume free energy is still correspondingly simple and ideal at present. In this paper, a new conformation method of free energy is mentioned. Free energy of each phase at appointed states is calculated by Thermo-Calc software. Free energy of each phase is fitted by multiple-point function according to sub- regular solution model. It is obtained that the free energy data and phase graph data of α phase, θ phase and L phase in the extension, temperature (791-841) K and component (0-35)Cu(at.%) with Al-Cu eutectic alloy.

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Advanced Manufacturing Technology, ICMSE 2012 View Preview

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Periodical:

Advanced Materials Research (Volumes 472-475)

Pages:

256-259

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.472-475.256

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Online since:

February 2012

Authors:

Guo Tian Wang, Chen Guang Zhao, Xiao Jie Qi, Jin Jun Tang, Cui Liang

Keywords:

Al-Cu Eutectic Alloy, Phase-Field Method, Thermo-Calc Software, Thermodynamic Calculation

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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