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Issue:
80 Steel Surface Depression Analysis and Preventive Measures
Author(s):
ZHANG Xin-wen
,
HUANG Jian-jun
,
DU Zhi-ming
,
ZHOU Wei
Pages:
41
-
46
Year:
2013
Issue:
1
Journal:
Continuous Casting
Keyword:
表面凹陷
;
表面质量
;
角部裂纹
;
Abstract:
分析了80号钢表面凹陷的主要原因并提出了合理的预防措施。研究指出,化学成分、浇注温度、拉速、水口对中、保护渣等工艺因素的改变对80号钢表面凹陷只能起到削弱作用,只有调整好诸如结晶器水缝、水套、振动台水平、对中对弧精度设备状态,才起到根治凹陷的作用。当表面凹陷消失后,漏钢、角部裂纹也随之消失,铸坯质量得到保障。
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