热轧硅钢带形对冷轧带钢横向厚度差的影响

IF 1.7 3区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Ironmaking & Steelmaking Pub Date : 2023-01-29 DOI:10.1080/03019233.2023.2166264

Xiaobao Ma, Baoxu Ma, Jiangjiang Li, P. Chen, Yongheng Peng, Z. Ren

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引用次数: 2

摘要

热轧硅钢带材的截面形状对冷轧带材的横向厚度差有很大的影响。建立了遗传算法- Levenberg - Marquardt -反向传播神经网络模型，分析了热轧带钢横截面形的遗传效应。基于随机森林和极端梯度增强方法对特征重要性进行了分析。并通过数据可视化分析了影响规律。建议将带钢凸度与厚度的耦合项、边降、楔度与厚度的耦合项作为热轧硅钢带钢的关键指标。由于横向厚度差必须控制在7 μm以下，相应的，应分别控制在不大于60、-10 ~ 10 μm和不大于7.5之间。同时，对截面剖面指标的要求是同步的。

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Effect of strip profile of hot-rolled silicon steel on transverse thickness difference of cold-rolled strip

ABSTRACT The cross-sectional profile of hot-rolled silicon steel strips has a great impact on the transverse thickness difference of cold-rolled strips. The genetic algorithm - Levenberg Marquardt - backpropagation neural network model was developed for the analysis of heredity effect of the cross-sectional profile of hot-rolled strip. The feature importance was analysed based on random forest and extreme gradient boosting methods. Furthermore, the influence law was analysed by data visualization. The coupling term of the strip crown and thickness , the edge drop and the coupling term of the strip wedge and thickness are recommended as key indexes of the hot-rolled silicon steel strip. As the transverse thickness difference must be controlled below 7 μm, the corresponding , , should be controlled no more than 60, between -10∼10 μm and no more than 7.5 , respectively. Meanwhile, the requirement for the cross-sectional profile indexes is synchronous.

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来源期刊

Ironmaking & Steelmaking 工程技术-冶金工程

CiteScore

3.70

自引率

9.50%

发文量

125

审稿时长

2.9 months

期刊介绍： Ironmaking & Steelmaking: Processes, Products and Applications monitors international technological advances in the industry with a strong element of engineering and product related material. First class refereed papers from the international iron and steel community cover all stages of the process, from ironmaking and its attendant technologies, through casting and steelmaking, to rolling, forming and delivery of the product, including monitoring, quality assurance and environmental issues. The journal also carries research profiles, features on technological and industry developments and expert reviews on major conferences.