首页> 外文会议>Materials forum - aluminium alloys, their physical and mechanical properties - Volume 28 - 2004 >Modeling of Microstructure Evolution during Multi-pass Rolling for AA5083using a Physically Based Approach Integrating FE Model Predictions
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Modeling of Microstructure Evolution during Multi-pass Rolling for AA5083using a Physically Based Approach Integrating FE Model Predictions

机译:结合有限元模型预测的基于物理的方法对AA5083多道次轧制过程中的组织演变进行建模

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摘要

A model has been developed to predict the thermomechanical and microstructural changesrnthat occur during multi-pass hot rolling for an AA5083 aluminum alloy. Microstructurernevolution during multi-pass rolling was modeled using a physically based approach to predictrnthe evolution of the material stored energy and the resulting microstructure changes. Variousrnapproaches were employed to account for the change in the material stored energy, whichrnacts as a driving force for recrystallization, in the inter-stand region. Model predictions of the time to achieve 50% recrystallization (t0.5), were compared using different approaches to accumulate stored energy.
机译:已经开发出一种模型来预测AA5083铝合金多道次热轧过程中发生的热机械和微观结构变化。使用基于物理的方法对多道次轧制过程中的微结构演化建模,以预测材料储能的演化以及由此产生的微结构变化。在支架间区域中采用了各种方法来解决材料存储能量的变化,该变化充当了再结晶的驱动力。使用不同的方法来累积存储的能量,比较了达到50%重结晶时间(t0.5)的模型预测。

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