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- Title
Formation Mechanism of Large CaO-SiO2-Al2O3 Inclusions in Si-Deoxidized Spring Steel Refined by Low Basicity Slag.
- Authors
Jiang, Min; Liu, Ji-Chen; Li, Kai-Lun; Wang, Rui-Gang; Wang, Xin-Hua
- Abstract
During the refining of Si deoxidized spring steel by low-basicity slag, with the addition of BaCO3 to refining slag, many BaO-containing CaO-SiO2-Al2O3 inclusions existed in steel, which were with approximate chemical compositions to other CaO-SiO2-Al2O3 inclusions. Thermodynamic calculation revealed that (BaO) in slag can be hardly reduced by [Si] in steel, which meant that CaO-SiO2-Al2O3-BaO inclusions in Si-deoxidized spring steel cannot be produced by chemical reactions among slag-steel-inclusion, viz., they were originated from entrapped slag.
- Subjects
SLAG; STEEL; BASICITY; CHEMICAL reactions
- Publication
Metallurgical & Materials Transactions. Part B, 2021, Vol 52, Issue 4, p1950
- ISSN
1073-5615
- Publication type
Article
- DOI
10.1007/s11663-021-02230-6