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Updated: Dec 27, 2025

Finite Element Modelling of a Cellular Electric Microenvironment
Published on: May 18, 2021
Cellular automaton modeling of peritectic transformation⋆
Yiming Fan1, Hui Fang1, Qianyu Tang1
1Jiangsu Key Laboratory of Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, 211189, Nanjing, China.
Abstract:
A two-dimensional multiphase cellular automaton (CA) model is proposed for the prediction of growth kinetics and microstructural evolution during peritectic transformation of Fe-C alloys. The proposed model is validated by comparing the simulation results with the experimental measurements and analytical predictions for the growth kinetics of the [Formula: see text] -phase and the concentration distributions. The simulated time evolution of the [Formula: see text] -phase thickness and the concentration distribution in the [Formula: see text] -phase agree well with the experimental data, demonstrating the quantitative capabilities of the proposed model. The influences of the holding temperature and [Formula: see text] -phase thickness on the [Formula: see text] -phase growth behavior are analyzed based on the simulation results. The [Formula: see text] -phase growth velocity is found to decrease with increasing the [Formula: see text] -phase thickness and holding temperature. Simulations are also performed for the microstructural evolution during isothermal peritectic transformation of Fe-C alloys with the primary [Formula: see text] -phase being an equiaxed dendrite under different holding temperatures. It is found that the driving force for [Formula: see text] -phase growth increases with decreasing temperature.
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