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Non-Vacuum Tube Steel Surface Porosity Defect Analysis
Author(s): 
Pages: 41-45
Year: Issue:  6
Journal: Physics Examination and Testing

Keyword:  porositysolubilitysurface fluctuationsreoxidation;
Abstract: 介绍了非真空处理工艺条件下的铸坯表面气孔缺陷情况,分析了可能引起铸坯表面气孔的气体在钢液中的行为,指出大型气孔可能来自2个方面:由氢和氮的混合气体所致;结晶器液面波动使钢液穿透粉渣层,导致钢液二次氧化,二次氧化物与保护渣中的碳反应生成CO气体。
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