厚板坯连铸机铸坯外弧角横裂缺陷控制工艺研究  

Study on Process Control over External Arc Corner Transverse Cracks of Heavy Slab from Continuous Caster

作　　者：贾秀英[1] 刘建伟[1] 刁承民[1] 温维新[1] 

机构地区：[1]济钢集团有限公司

出　　处：《宽厚板》2012年第4期18-19,22,共3页Wide and Heavy Plate

摘　　要：通过技术攻关,济钢宽厚板连铸机铸坯外弧角横裂缺陷得到了明显控制,缺陷率由2011年最高月份的22%降至2012年1月份的1%以下。Through technical study, the external arc comer transverse crack defects on wide and heavy slab from continuous caster of Jigang have been effectively controlled. The defect rate has been reduced from 22% in a peak month of 2011 to a value less than 1% in January of 2012.

关 键 词：角横裂 冷却 对弧 保护 浇注 

分 类 号：TF777.1[冶金工程—钢铁冶金]