Numerical Simulation for Grain Refinement of Aluminum Alloy by Multi-phase-field Model Coupled with CALPHAD

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概要

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• The multi-phase field method and CALPHAD (calculation of phase diagram) are applied to the study of the equiaxed solidifications in the Al–Ti–B and Al–Si–Ti–B systems by coupled with thermodynamic and diffusion databases. In these calculations, recalescence phenomenon is considered on the basis of the latent heat, and a plot of the seed density-radius distribution is obtained by calibration with experimental data. The calculated solidified-grain sizes are in quantitative agreement with the experimental measurements for various hypoperitectic compositions.

• 2009-07-15

著者

• Nakajima Keiji

  Royal Institute Of Technology

• MINAMOTO Satoshi

  ITOCHU Techno-Solutions Corporation

• NOMOTO Sukeharu

  ITOCHU Techno-Solutions Corporation

• Minamoto Satoshi

  Sci. & Engineering Systems Div. Itochu Techno-solutions Corp.

• Nomoto Sukeharu

  Cae Dep. Itochu Techno-solutions Corp.

関連論文

• Numerical Simulation for Grain Refinement of Aluminum Alloy by Multi-phase-field Model Coupled with CALPHAD
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