Formation and Evolution of Al-Ti Oxide Inclusions during Secondary Steel Refining

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概要

• 論文の詳細を見る

• The process of Al deoxidation and Ti alloying during RH degassing treatment was studied under an Ar atmosphere at secondary steelmaking temperature (1600—1650°C) in an induction furnace equipped with an oxygen probe and a steel sampler. The formation of inclusions during partial Al deoxidation and Ti addition, and the reduction of Ti–Al–O inclusions by second Al addition are discussed using thermodynamic calculations. Specific attention is given to inclusion size and the compositional relation between the inclusions and the steel. The combination of experimental and calculated results shows that, in order to prevent Ti oxidation in liquid steel, it is essential to control [Al] in liquid steel to a level of approximately 200 ppm prior to Ti addition to achieve around 500 ppm [Ti] with minimal Ti loss during the alloying process.

• 社団法人 日本鉄鋼協会の論文
• 2009-08-15

著者

• Blanpain B

  Department Of Metallurgy And Materials Engineering K. U. Leuven

• GUO Muxing

  Department of Materials Engineering, The University of Tokyo

• Jones Peter

  Department Of Biochemistry And Molecular Biology Usc/norris Comprehensive Cancer Center University O

• Blanpain Bart

  Department Of Metallurgy And Materials Engineering K. U. Leuven

• Guo Muxing

  Department Of Materials Engineering The University Of Tokyo

• Wollants P

  Department Of Metallurgy And Materials Engineering K. U. Leuven

• Wollants Patrick

  Dept. Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven

• Dekkers Rob

  Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven

• VAN ENDE

  Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven

• BURTY Marc

  ArcelorMittal Burns Harbor

• VAN DYCK

  Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven

• WOLLANTS Patrick

  Department of Metallurgy and Materials Engineering, Katholieke Universiteit Leuven

• Guo Muxing

  Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven

• Jones Peter

  Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven

• Van Ende

  Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven

• Van Dyck

  Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven

• Wollants Patrick

  Department Of Metallurgy And Materials Engineering Katholieke Universiteit Leuven

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