Multi-Scale Thermo-Crystal Plasticity Finite Element Evaluation of Recrystallization Texture

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  • 再結晶集合組織発展のマルチスケール熱結晶塑性有限要素解析

Abstract

<p>In order to predict dynamic recrystallization (DRX) texture evolution during the forming processes of aluminum alloy, we propose a hypothesis to predict DRX evolution and develop a comprehensive computational tool for the thermal process metallurgy simulation. It consists of the Multi-scale finite element method based on the thermo-coupled elasto-crystalline plasticity analysis and the dynamic-explicit finite element procedure. The computationally evaluated texture evolution, which includes DRX texture, under the severe compression at high temperature is compared against the experimental results. The results predict the evolution of the cube component which is observed in the experiments. Therefore, our proposed method is approved to have a potential predicting DRX texture evolution.</p>

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