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1. 内蒙古科技大学材料与冶金学院,包头,014010
2. 邯郸职业技术学院,邯郸,056001
[ "王艺慈(1975-),女,讲师,2001年包头钢铁学院毕业,钢铁冶金与金属材料研究。" ]
收稿:2008-03-28,
网络首发:2022-12-28,
纸质出版:2008-12-28
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王艺慈, 郭俊玉, 董方, 等. B2O3对低氟结晶器保护渣理化性能的影响[J]. 特殊钢, 2008,29(5):10-12.
王艺慈, 郭俊玉, 董方, et al. Influence of B2O3 on Physico-Chemical Properties of Low Fluorine Mold Powder[J]. Special Steel, 2008, 29(5): 10-12.
王艺慈, 郭俊玉, 董方, 等. B2O3对低氟结晶器保护渣理化性能的影响[J]. 特殊钢, 2008,29(5):10-12. DOI:
王艺慈, 郭俊玉, 董方, et al. Influence of B2O3 on Physico-Chemical Properties of Low Fluorine Mold Powder[J]. Special Steel, 2008, 29(5): 10-12. DOI:
研究了氟含量1.9%的保护渣系(%:27~30CaO、30~33SiO
2
、2~3Al
O
3
、2~3MgO、10~12R
O、1~2Fe
、4~5C粉、2Li
O、4CaF
、0~8B
)的理化性能。结果表明:随着渣中B
含量的增加
保护渣熔点、析晶温度、粘度均降低
但B
含量超过6%以后
对保护渣牯度几乎没有影响;B
含量为2%~4%时
表面张力较低
有利于结晶器内钢液中夹杂物的上浮排除
得到洁净铸坯。
The physico-chemical properties of the mold powder series containing 1.9% fluorine(27~30CaO,30~33SiO
2~3Al
2~3MgO,10~12R
O,1~2Fe
4~5 C powder,2Li
O,4CaF
0~8B
) have studied. Results showed that with increasing B
content in powder
the melting point
crystallizing temperature and viscosity of mold powder decreased
but as B
content was more than 6%
the viscosity of mold powder was not further decreased; and as B
content was 2%~4%
the surface tensile force of mold powder was lower
it was available to float and remove inclusion from liquid steel in mold and get cleanliness casting slab.
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