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A Novel Method of Surface Tension Test for Melt Slags Based on Hot Thermocouple Technique Read chapter Read first chapter

2019 | OriginalPaper | Chapter

Comparison of Dissolution Kinetics of Nonmetallic Inclusions in Steelmaking Slag

Authors : Mukesh Sharma, Neslihan Dogan

Published in: Advanced Real Time Imaging II

Publisher: Springer International Publishing

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Abstract

Nonmetallic oxide inclusions of Al2O3, Al2TiO5, and CaO · 2Al2O3 (CA2) types are responsible for clogging of ceramic nozzles during liquid steel processing. The dissolution of these inclusions in steelmaking slags alleviates the clogging phenomenon. The in situ dissolution behavior a single oxide particle is studied in a synthetic CaO–Al2O3–SiO2 type slag using a high-temperature confocal scanning laser microscope at 1550 °C. The rate determining step for Al2O3 and CA2 inclusions was confirmed to be mass transport control in slag. The rate determining step for dissolution of Al2TiO5 needs further investigation. The rate of dissolution varied in the order from slowest to fastest: Al2O3 < CA2 < Al2TiO5.

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Metadata
Title
Comparison of Dissolution Kinetics of Nonmetallic Inclusions in Steelmaking Slag
Authors
Mukesh Sharma
Neslihan Dogan
Copyright Year
2019
Book
Advanced Real Time Imaging II

Print ISBN: 978-3-030-06142-5

Electronic ISBN: 978-3-030-06143-2

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-3-030-06143-2_12

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