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采用LEITZ偏光岩相显微镜结合扫描电子显微镜,研究了实验室自制渣和工业结晶器保护渣的结晶矿相.结果表明:在本实验中,渣样的结晶矿相主要有枪晶石、黄长石和硅灰石,个别渣样中可能有霞石析出;保护渣中加入少量的MgO可以降低结晶率,抑制硅灰石的生成;加入少量的MnO、ZrO2可促进硅灰石的析出,抑制枪晶石的生长.

参考文献

[1] Yamauchi A .Heat Transfer Between Mold and Strand Through Mold Flux Film in Continuous Casting of Steel[J].ISIJ International,1993,33(01):140-147.
[2] Billany T J H .Surface Cracking in Continuously Cast Products[J].Ironmaking and Steelmaking,1991,18(06):403-410.
[3] Mills K C .Causes of Sticker Breakout During Continuous Casting[J].Ironmaking and Steelmaking,1991,18(04):253-265.
[4] Grieveson P .Physical Properties of Casting Powders:Part 2 Mineralogical Constitution of Slags Formed by Powders[J].Ironmaking and Steelmaking,1988,15(04):181-186.
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