摘要
通过对高线钢轧制过程中不同轧制速度的实验研究,探讨了轧制速度对表面质量的影响规律。实验采用Q235高线钢,设置了5个轧制速度梯度(10~30 m/s)进行对比。研究表明,随着轧制速度的提高,表面粗糙度先降低后升高,在20 m/s时达到最小值1.85μm;轧制速度超过25 m/s后,表面缺陷密度显著增加。微观组织分析显示,20 m/s左右时晶粒呈等轴状,尺寸均匀。基于实验数据建立了轧制速度与表面质量的数学模型,为工艺参数优化提供了理论依据。
Through experimental research on different rolling speeds during the rolling process of high-speed steel,the influence of rolling speed on surface quality was explored.The experiment used Q235 high-speed steel and set 5 rolling speed gradients(10-30 m/s)for comparison.Research has shown that as the rolling speed increases,the surface roughness first decreases and then increases,reaching a minimum value of 1.85μm at 20 m/s.After the rolling speed exceeds 25 m/s,the surface defect density significantly increases.Microstructure analysis shows that at around 20 m/s,the grains are equiaxed and uniform in size.A mathematical model of rolling speed and surface quality was established based on experimental data,providing a theoretical basis for optimizing process parameters.
作者
黄志杰
Huang Zhijie(Nanjing Iron and Steel Co.,Ltd.,Nanjing Jiangsu 210035,China)
出处
《山西冶金》
2025年第7期71-73,共3页
Shanxi Metallurgy
关键词
高线钢
轧制速度
表面质量
粗糙度
表面缺陷
high wire steel
rolling speed
surface quality
roughness
surface defects
