In this paper,the microstructure and composition of surface bubbly defects in cold rolled strip in cross and vertical section were studied by SEM and EDAX.

• 采用扫描电镜对冷轧带钢表面鼓泡处的横、纵断面,鼓泡的破裂面以及鼓泡处拉断表面的形貌进行了观察,并对微区成分作了分析。