Generalisation of the hydrodynamics model method for hot and cold strip rolling application

IF 2.6 3区 材料科学 Q2 ENGINEERING, MANUFACTURING International Journal of Material Forming Pub Date : 2024-10-21 DOI:10.1007/s12289-024-01860-w
Derrez Mimoune, Mohamed Zaaf, Tudor Balan, Abdennacer Lemmoui
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Abstract

The present work constitutes a generalization of the hydrodynamic model used to predict the pressures and the rolling speeds during the hot rolling of aluminum and copper strips. The hydrodynamic model with a linear behavior (Newton viscous) of the materials shows good predictions in the literature but its applicability is questionable in non-linear cases, when the materials exhibit viscoplastic or plastic behavior. This work extends the model to accommodate non-linear cases commonly encountered in rolling models (viscoplastic and plastic behaviors). The obtained results are in good agreement with experimental data from the literature. The validated model can, therefore, be considered an enhanced hydrodynamic model for predicting pressures and velocities during both hot and cold rolling of thin strips.

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流体力学模型法在冷热轧板带轧制中的推广应用
本研究对用于预测铝带和铜带热轧过程中的压力和轧制速度的流体力学模型进行了概括。在文献中,材料线性行为(牛顿粘性)的流体力学模型显示出良好的预测效果,但在材料表现出粘塑性或塑性行为的非线性情况下,该模型的适用性就值得怀疑了。本研究对模型进行了扩展,以适应轧制模型中常见的非线性情况(粘塑和塑性行为)。获得的结果与文献中的实验数据十分吻合。因此,经过验证的模型可被视为一种增强的流体力学模型,用于预测薄带材热轧和冷轧过程中的压力和速度。
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来源期刊
International Journal of Material Forming
International Journal of Material Forming ENGINEERING, MANUFACTURING-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
5.10
自引率
4.20%
发文量
76
审稿时长
>12 weeks
期刊介绍: The Journal publishes and disseminates original research in the field of material forming. The research should constitute major achievements in the understanding, modeling or simulation of material forming processes. In this respect ‘forming’ implies a deliberate deformation of material. The journal establishes a platform of communication between engineers and scientists, covering all forming processes, including sheet forming, bulk forming, powder forming, forming in near-melt conditions (injection moulding, thixoforming, film blowing etc.), micro-forming, hydro-forming, thermo-forming, incremental forming etc. Other manufacturing technologies like machining and cutting can be included if the focus of the work is on plastic deformations. All materials (metals, ceramics, polymers, composites, glass, wood, fibre reinforced materials, materials in food processing, biomaterials, nano-materials, shape memory alloys etc.) and approaches (micro-macro modelling, thermo-mechanical modelling, numerical simulation including new and advanced numerical strategies, experimental analysis, inverse analysis, model identification, optimization, design and control of forming tools and machines, wear and friction, mechanical behavior and formability of materials etc.) are concerned.
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