Chemical Composition Modification of Inclusions in Steels by Controlled Ca Treatment

Five plant trials with high, medium, and low Ca total /O total ratios, as well as higher Al and S contents in steels were conducted to study the validity of thermodynamic model predictions for the "liquid window"—where inclusions are liquid after Ca-treatment. The window can be succinctly...

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Veröffentlicht in:	Metallurgical and materials transactions. B, Process metallurgy and materials processing science Process metallurgy and materials processing science, 2021-10, Vol.52 (5), p.2837-2841
Hauptverfasser:	Liu, Chengsong, Kacar, Yilmaz, Webler, Bryan, Pistorius, Petrus Christiaan
Format:	Artikel
Sprache:	eng
Schlagworte:	Brief Communication Characterization and Evaluation of Materials Chemical composition Chemistry and Materials Science Continuous casting Laboratories Materials Science Materials Science, Multidisciplinary Metallic Materials Metallurgy & Metallurgical Engineering Nanotechnology Nonmetallic inclusions Science & Technology Steel Steels Structural Materials Surfaces and Interfaces Technology Thermodynamic models Thin Films
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Beschreibung
Zusammenfassung:	Five plant trials with high, medium, and low Ca total /O total ratios, as well as higher Al and S contents in steels were conducted to study the validity of thermodynamic model predictions for the "liquid window"—where inclusions are liquid after Ca-treatment. The window can be succinctly represented by the ratio of Ca in sulfide inclusions to Ca in oxide inclusions. There was good agreement between model predictions and experimental results.
ISSN:	1073-5615 1543-1916
DOI:	10.1007/s11663-021-02287-3