Article Numerical Analysis to Evaluate the Effect of Cooling Rates on Microstructures in Casted Cu-Ni-Si Alloys by Phase-Field Simulation

Yuki Muto (JX Nippon Mining & Metals) ; Kazuki Kammuri (JX Nippon Mining & Metals) ; Junji Miyake (JX Nippon Mining & Metals) ; Machiko Ode SAMURAI ORCID (Research Center for Structural Materials/Materials Evaluation Field/Structural Thermodynamics Group, National Institute for Materials ScienceROR) ; Tetsusei Kurashiki (Graduate School of Engineering, Osaka University) ; Hiroaki Mori (Graduate School of Engineering, Osaka University)

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Yuki Muto, Kazuki Kammuri, Junji Miyake, Machiko Ode, Tetsusei Kurashiki, Hiroaki Mori. Numerical Analysis to Evaluate the Effect of Cooling Rates on Microstructures in Casted Cu-Ni-Si Alloys by Phase-Field Simulation. MATERIALS TRANSACTIONS. 2024, 65 (12), 1464-1472. https://doi.org/10.2320/matertrans.MT-M2024098

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(abstract)

Corson (Cu-Ni-Si) alloys were unidirectionally solidified via the Mizuta method under air or water cooling. To replicate the microstructure of a Corson alloy during casting solidification, phase-field (PF) simulations were performed, and the numerical results were compared with the experimental findings. The appropriate interface properties, such as interface energy, it’s anisotropy and interface kinetic efficient, were estimated by minimalizing the standardized differences between experimental and PF calculated secondary arm spacings (S-DASs). The interface energy and its anisotropy adopted in the present PF simulations were reasonable for the Corson alloy when compared with the values reported in other studies. The S-DASs evaluated via PF simulations with estimated interface properties were consistent with the experimental observations.

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Keyword: Phase-field model, Microstructure, Colson alloy

Date published: 2024-12-01

Publisher: Japan Institute of Metals

Journal:

  • MATERIALS TRANSACTIONS (ISSN: 13459678) vol. 65 issue. 12 p. 1464-1472

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Manuscript type: Publisher's version (Version of record)

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First published URL: https://doi.org/10.2320/matertrans.MT-M2024098

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Updated at: 2025-01-25 08:30:38 +0900

Published on MDR: 2025-01-25 08:30:38 +0900

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