Characterization Of Dendrite Morphology For Evaluating Interdendritic Fluidity Based On Phase-field Simulation

Hitoshi ISHIDA; Yukinobu NATSUME; Kenichi OHSASA

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Characterization Of Dendrite Morphology For Evaluating Interdendritic Fluidity Based On Phase-field Simulation

机译：基于相场模拟的枝晶形貌特征以评估枝晶间流动性

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Evolution of dendrite morphology in Fe-base alloys was simulated by using the phase-field method and complexity of the dendrite morphology was evaluated by fractal dimensions and dimensionless perimeter of dendrites. It was shown that the both parameters of the fractal dimension and the dimensionless perimeter are effective to evaluate the complexity of dendrites. Factors controlling the dendrite morphology such as materials properties, composition and cooling rate were investigated by the simulation. Permeability of simulated dendrite array was estimated from the fractal dimension and the dimensionless perimeter, and obtained permeability corresponded to reported values of the permeability for metallic alloy systems.

机译：利用相场法模拟了铁基合金中枝晶形态的演变，并通过分形维数和枝晶的无量纲周长评估了枝晶形态的复杂性。结果表明，分形维数和无因次周长这两个参数都可以有效地评估枝晶的复杂性。通过模拟研究了控制枝晶形态的因素，如材料性能，成分和冷却速率。从分形维数和无量纲周长估计模拟枝晶阵列的磁导率，得出的磁导率与金属合金体系的磁导率值相对应。

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来源
《ISIJ international》 |2009年第1期|37-43|共7页
作者
Hitoshi ISHIDA; Yukinobu NATSUME; Kenichi OHSASA;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
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关键词
phase-field method; fractal dimension; dimensionless perimeter; dendrite morphology; permeability;

机译：相场法分形维数无维周长枝晶形态磁导率;

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1. Phase-field simulations of dendrite morphologies and selected evolution of primary alpha-Mg phases during the solidification of Mg-rich Mg-Al-based alloys [J] . Mingyue Wang, Tao Jing, Baicheng Liu Scripta materialia . 2009,第8期

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2. Dendritic morphology of alpha-Mg during the solidification of Mg-based alloys: 3D experimental characterization by X-ray synchrotron tomography and phase-field simulations [J] . M.Y. Wang, J.J. Williams, L. Jiang Scripta materialia . 2011,第10期

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3. (152385))Coupling in situ synchrotron X-ray radiography and phase-field simulation to study the effect of low cooling rates on dendrite morphology during directional solidification in Mg-Gd alloys [J] . Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2020,第期

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4. DENDRITE MORPHOLOGY AND GROWTH ORIENTATION OF MAGNESIUM ALLOYS:SIMULATION BY PHASE-FIELD AND 3-D CHARACTERIZATION BY SYNCHROTRON X-RAY TOMOGRAPHY [C] . Manhong Yang, Shoumei Xiong, Zhipeng Guo The Minerals, Metals Materials Society;TMS annual meeting exhibition;Symposium on magnesium technology . 2016

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5. The Evolution of Complex Microstructures Through Morphological Characterization and Phase-Field Simulation [D] . Elder, Kate. 2021

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6. Multi-Domain Negative Capacitance Effects in Metal-Ferroelectric-Insulator-Semiconductor/Metal Stacks: A Phase-field Simulation Based Study [O] . Atanu K. Saha, Sumeet K. Gupta -1

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7. Characterization of Dendrite Morphology for Evaluating Interdendritic Fluidity Based on Phase-field Simulation [O] . Hitoshi Ishida, Yukinobu Natsume, Kenichi Ohsasa 2009

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8. A Comparison between Growth Morphology of "Eutectic" Cells/Dendrites and Single-Phase Cells/Dendrites [R] . Tewari, S. N., Raj, S. V., Locci, I. E. 2003

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Characterization Of Dendrite Morphology For Evaluating Interdendritic Fluidity Based On Phase-field Simulation

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