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首页> 外文期刊>Metallurgical and Materials Transactions >Activities in MnO-SiO_2-Al_2O_3 Slags and Deoxidation Equilibria of Mn and Si
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Activities in MnO-SiO_2-Al_2O_3 Slags and Deoxidation Equilibria of Mn and Si

机译:MnO-SiO_2-Al_2O_3渣中的活性和Mn和Si的脱氧平衡

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摘要

The activities of MnO and SiO_2 along the liquidus line in the MnO-SiO_2-Al_2O_3-Fe_tO (1.2 to 6.7 mass pct) system were determined at 1823 and 1873 K by using a slag-metal equilibration technique. On the basis of the re-evaluated MnO iso-activity curves, the SiO_2 and Al_2O_3 iso-activity curves were determined by using the ternary Gibbs-Duhem relation. The control of inclusions composition in Si-Mn killed steels is discussed based on the equilibria between inclusion and steel with respect to Si, Mn, Al, and O.
机译:利用渣-金属平衡技术测定了MnO-SiO_2-Al_2O_3-Fe_tO(1.2至6.7质量pct)体系中沿液相线的MnO和SiO_2的活度。在重新评估的MnO活度曲线的基础上,利用三元Gibbs-Duhem关系式确定了SiO_2和Al_2O_3活度曲线。基于夹杂物和钢之间相对于Si,Mn,Al和O的平衡,讨论了Si-Mn镇静钢中夹杂物成分的控制。

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