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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Pan American Materials Congress: Steels
Presentation Title Controlling Mold Heat Transfer by Dispersed Metallic Particles in Slag Film during Continuous Casting of Steels
Author(s) Jungwook Cho
On-Site Speaker (Planned) Jungwook Cho
Abstract Scope The extinction coefficient of CaO-SiO2-CaF2-based commercial mold fluxes with additive of iron oxide has been investigated by using a FT-IR and a UV-visible spectrometer in order to clarify the thermal radiation behavior through mold flux film during continuous casting of steels. The iron oxide has been reduced to metallic iron droplets by reaction with graphite crucible during melting, which brings considerable increase of the extinction coefficient due to the scattering. The number of metallic particles is intensively proportional to boron contents due to the transition of molar structure, BO4 to BO3, with increasing boron oxide. It is found that calculated scattering coefficients based on Mie scattering theory are well agreed with measured ones. As the increased scattering coefficient of glassy film would not cause any serious side effects on casting operations, utilization of scattering effects is believed to be significantly essential for future design of commercial mold fluxes.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Controlling Mold Heat Transfer by Dispersed Metallic Particles in Slag Film during Continuous Casting of Steels
Developing Sustainable Pipeline Steels
Dissolution of MgO Containing Additions in Steelmaking Slag and Its Impact on the Formation of Magnesiowustite
Evolution of Austenite Dislocation Density during Hot Deformation using a Physical Dynamic Recrystallization Model
Hot-stamping Response of Laser Welds in Low-carbon Steels
Influence of a Rapid Heating on the Microstructure and Properties of Press-hardening Steel Sheets
Jansto: New Generation Niobium Bearing Structural Steels for Future Infrastructure Demands
Microstructural Evolution in Microalloyed Steels during Thermomechanical Rod Rolling
Modeling of Metal-Slag Mass and Momentum Exchanges in Gas-Stirred Ladles
Modeling Precipitation and Dissolution of Microalloying Carbonitrides in Steels Using Computational Thermodynamics- techniques, Possibilities and Present Challenges
New Challenges in Thermomechanical Processing: Applications in the Cold Mill
PAN-60: Effect of Titanium Sulfide Precipitates on Grain Size in Low Carbon Steel
PAN-61: Hydrogen Gaseous Embrittlent Effect over Mechanical Properties of a Heat Treated Experimental Microalloyed Steel with Different Cooling Rates
PAN-62: Influence of Oxide Size and Composition on MnS Formation in Continuous Casting Slab of Low Carbon Steel
PAN-63: Kinetic Study of the Austenite Decomposition during Continuous Cooling in a Welding Steel
PAN-64: Study of Ductile Austemperized Iron Alloyed with V, Mo AND Cr
PAN-66: Tempering Response of Bainitic and Martensitic Microstructures
PAN-67: Using CCT and TTT Diagrams Obtained by Simulation for Developing AHSS
Study on Adjustment and Optimization of LF Refining Slag of Spring Steel 55SiCrA
The Development of NbC Reinforced Martensitic Stainless Steel Composites for High Wear and Corrosive Environments
The Effect of Deoxidation Practice on Quality Characteristics of Converter Refined AISI 1006 Steel
The Effect of Particle Speed and Impact Angle on the Erosion of Newly Developed API X120 Pipeline Steel
The Influence of Hydrogen on Tensile Properties of TRIP-aided Bainitic Ferrite Steels with Carbon/Manganese Variations
The Research on the Relationship between Gas Movement Behaviors and Circulating Flow of the Molten Steel in RH

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