应用铁素体区轧制工艺生产ELC钢

来源期刊：钢铁2009年第9期

论文作者：张鹏 郭艳辉 王昭东 王国栋 刘相华

文章页码：81 - 85

关键词：ELC钢； 铁素体区热轧； 织构； 剪切带； r值

Key words：ELC steel； ferritic rolling； texture； shear band； r value

摘    要：通过铁素体区热轧工艺生产ELC钢的工业试验,研究了一种ELC钢的热轧组织、织构及性能。结果表明,铁素体区热轧后,ELC钢大部分为变形带组织,放大1 000倍可以看到鱼骨状的晶内剪切带;热轧后,织构沿板厚方向均匀分布,织构的遗传性使得冷轧和退火后的织构沿板厚方向也均匀分布,但是退火织构中仍有{001}<110>织构存在;退火后钢板的r值在1.3左右,达到普通冲压级钢板的要求。

Abstract: The hot rolled steel microstructure,texture and properties of an ELC steel was conducted to study through ELC steel hot rolled in ferrite region process industrial production experiment.The results show that deformation bands are the main microstructure in the hot rolled sample and fish-bone in-grain shear bands are visible when magnification times is 1 000.Texture is homogenous along the thickness direction of the sheet in hot rolled,cold rolled as well as annealed status.But texture(001)<110> also exist in annealing texture.r value of the cold rolled and annealed sheet is around 1.3,and it can meet the needs of DQ class.