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Effect of Al2O3 content on heat transfer through mold slag film during continuous casting high Al content Al-TRIP steel
Author(s): 
Pages: 913-918
Year: Issue:  4
Journal: The Chinese Journal of Nonferrous Metals

Keyword:  Al2O3热流密度;
Abstract: 高Al含量TRIP钢在连铸过程中钢液中的[Al]易与保护渣中的SiO2发生反应,使保护渣中Al2O3含量从3%快速增加至30%左右,导致保护渣的传热性能发生改变,影响连铸坯的质量和连铸工艺操作.利用结晶器保护渣渣膜热流模拟仪研究Al2O3含量对Al-TRIP钢保护渣传热的影响,并利用扫描电镜、X射线衍射仪分析渣膜的结晶相.结果表明:当Al2O3含量从3%增加到20%时,保护渣的热流密度显著降低;当...
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