Au-Pt合金凝固-固态相变微观组织演化相场法模拟
收稿日期: 2024-08-14
修回日期: 2024-10-09
网络出版日期: 2024-11-21
基金资助
国家重点研发计划项目(2021YFC2202301)
Phase Field Modeling of Microstructure Evolution During Solidification and Subsequent Solid-State Phase Transformation of Au-Pt Alloys
Received date: 2024-08-14
Revised date: 2024-10-09
Online published: 2024-11-21
Supported by
National Key Research and Development Program of China(2021YFC2202301)
余东 , 马威龙 , 王亚莉 , 王锦程 . Au-Pt合金凝固-固态相变微观组织演化相场法模拟[J]. 金属学报, 2025 , 61(1) : 109 -116 . DOI: 10.11900/0412.1961.2024.00255
The evolution of the microstructure during solidification and solid-state phase transformation is crucial for controlling the material microstructure and optimizing performance. Achieving an integrated numerical simulation of the microstructural evolution from solidification to solid-state phase transformation is a cutting-edge challenge in material-microstructure simulation. This study focuses on Au-Pt alloys, utilizing a multiphase field model combined with a microstructural information transfer algorithm to simulate and predict microstructural evolution during the solidification and solid-state phase transformation under different initial composition conditions. The study successfully realizes an integrated simulation prediction of the microstructural evolution across both processes, revealing the influence of microsegregation and grain boundaries during solidification on subsequent processes of decomposition and spinodal decomposition.
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