Effect of micro-plasto-hydrodynamic lubrication on strip surface in steel cold rolling

Cynthia Elhajj
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引用次数: 0

Abstract

Abstract. This study employs numerical calculations based on the micro-plasto-hydrodynamic lubrication (MPHDL) theory to analyze the evolution of oil pits during the stainless-steel cold rolling process. The model is enhanced by incorporating lubricant temperature variations caused by its contact with the heated roll and strip, as well as variations in pit slope. The findings show the significant impact and relevance of considering these additional parameters in assessing the performance of the MPHDL mechanism. Notably, the model demonstrates good agreement with experimental measurements conducted on a Stainless-Steel grade undergoing multiple passes.
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钢材冷轧过程中微晶-流体动力润滑对带材表面的影响
摘要本研究采用基于微塑性流体动力润滑(MPHDL)理论的数值计算来分析不锈钢冷轧过程中的油坑演变。通过将润滑剂与加热轧辊和带钢接触时产生的温度变化以及凹坑坡度变化纳入模型,该模型得到了增强。研究结果表明,在评估 MPHDL 机制的性能时,考虑这些附加参数具有重大影响和意义。值得注意的是,该模型与在不锈钢牌号上进行的多道次实验测量结果非常吻合。
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