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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Advanced Real Time Optical Imaging
Presentation Title Agglomeration Behavior of Non-metallic Inclusions in Liquid High Carbon Steel
Author(s) Yasuhiro Tanaka, Farshid Pahlevani, Veena Sahajwalla
On-Site Speaker (Planned) Yasuhiro Tanaka
Abstract Scope Although agglomeration behaviour of alumina based inclusion in low carbon steel has been widely investigated, very few studies focus on non-alumina based inclusions in high carbon steel. The usage of high carbon steel has been attracting a lot of attention due to the increasing demand for more strength and hardness. By utilizing IR furnace combined with Confocal Scanning Laser Microscope (CSLM), in-situ observation of agglomeration behaviour in liquid high carbon steel has been investigated. Agglomeration behaviour of non-alumina based oxide and CaS based sulfide particles at the surface of liquid steel has been studied in-situ. Measured attraction forces from recorded video file were of the similar order as estimated capillary forces which were calculated from contact angle. Furthermore, it was indicated that attraction forces among these inclusions were lower than those of pure alumina particles in low carbon liquid steel.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Agglomeration Behavior of Non-metallic Inclusions in Liquid High Carbon Steel
Agglomeration of Non-metallic Inclusions at the Liquid Steel/Ar Gas Interface: A Summary of In-situ Observation Experiments and a Theoretical Study
Current State Art of Double Hot Thermocouple Technology—Novel Way for the Study of Mold Flux High-temperature Properties
Determining Metastable Phase Transformation Temperature between Al4Sm-beta and Al4Sm-gamma
Direct Observation of Iron Solidification under Molten Slag
High-temperature Microscopy Incorporating Differential Thermal Analysis
In-situ Microscopic Study of Natural Hematite over Repeated Reduction-oxidation Gas Exposures
In-situ Observation of Reduction or Oxidation of Molten CaO-FeOx-SiO2 Oxides at 1573 K
In-situ Observation of Sulfide Formation during Solidification in Fe-Cr-Ni-Mn-S Alloys
In-situ Studies of Selective Oxidation in Advanced High Strength Steels
In Situ Observation of Dissolution of Oxide Inclusions in Steelmaking Slags
Insitu Tensile Performance of P91 Steel in CO2 Environment, Utilizing Small Samples and a Confocal Microscope
Introduction to Advanced Real Time Optical Imaging
Investigation of Integrated Recycling Waste Heat and Slag Resources Using Single Hot Thermocouple Technique
Localized Concentration of Metal Cations of Steelmaking Slags and its Visualization Using Confocal Laser Scanning Microscope
Mass Transfer in High-temperature Laser Confocal Microscopy
Observations of Ferrite Formation and Growth in Inclusion-engineered Low Alloy Steels during In-situ Heat Treatments
Real-time Observation of Solution Growth Interface of SiC Using Alloy Solvent
Real Time Observation of High Temperature Metallurgical Phenomenon at the University of Leuven
Thermal Imaging Furnace for the Investigation of the Molten State
Using High-temperature Confocal Scanning Laser Microscopy to Study Transient Phenomena: Swelling and Spontaneous Emulsification
Wettability of Graphite-alumina Composites against Molten CaO-SiO2-Al2O3-MgO Slags
Wetting, Spreading and Penetrating Behavior of Slags in Contact with Refactory Ceramics

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