When high frequency pulse current is applied to CC billet, the centerline pipe and centerline crack in the billet are eliminated, and the central segregation and central crack are reduced.
进行了连铸工业试验，效果明显：铸坯中心缩孔和中心裂纹被消除，中心偏析和中间裂纹也得到降低。
2
When applied high frequency pulse current on CC. billet, the centerline pipe and centerline crack in billet are eliminated, and the central segregation and middle crack are improved.
用高频电场处理连铸小方坯，可以消除铸坯中心缩孔和中心裂纹。改善中心偏析和中间裂纹。
3
It is found that the 'delamination always takes place along the centerline segregation band in pipe-line steel produced by continuous casting and then controlled rolling.