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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Defects and Properties of Cast Metals IV
Presentation Title Particle Capture Defects in Continuous Steel Casting
Author(s) Seong-Mook Cho, Brian G. Thomas
On-Site Speaker (Planned) Seong-Mook Cho
Abstract Scope Many defects such as blisters and slivers in the final steel products manufactured from continuous casting originate from particles captured by the solidifying steel shell in the mold and strand regions. Captured particles include argon gas bubbles injected to prevent nozzle clogging, slag droplets entrained into the molten steel, or non-metallic inclusions from upstream processes. In this work, three-dimensional computational fluid dynamics simulations of transport and capture of particles in the molten steel flow during continuous steel-slab casting are conducted using an advanced capture criterion to simulate entrapment of small particles between the primary dendrite arms and engulfment of large particles by the growing dendrites. The model predictions are validated with plant measurements including ultrasonic testing measurements and step milling measurements. The capture behavior of argon gas bubbles in surface solidification and inclusions in internal solidification are revealed to understand defect formation related to particle capture in continuous steel casting.
Proceedings Inclusion? Planned:
Keywords Iron and Steel, Modeling and Simulation, Solidification

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D characterization of competitive dendrite growth and on the role of low angle grain boundaries during solidification of single crystal Ni-based superalloys
Analysis of the Causes of the Fluctuation of the Liquid Level in the Mould for High-speed FTSC Thin Slab Continuous Casting
Analysis of the Causes of the Fluctuation of the Liquid Level in the Mould for High-speed FTSC Thin Slab Continuous Casting
Characterization of Second Phase Particles in Twin Roll Cast Aluminum Alloy AA 8011
Controlling Freckle Defect Formation using Magnetic Fields
Correlation between purification effect and surface segregation of impurities in aluminium at high temperatures
Effect of build height on micro-cracking of additively manufactured superalloy RENÉ 108 thin-wall components
Elucidating the relationship between arc behavior and solidification defects during Vacuum Arc Remelting of Superalloys
Evolution of microstructure and mechanical properties of the as-cast 1030B Al sheet during ultrasound-assisted continuous casting
Evolution of physicochemical properties of tundish covering flux in continuous casting process
Experimental investigation and thermodynamic consideration of oxide inclusions formation in Al-Mg alloys
Experimental Research on Dephosphorization of Mn-Si Alloys Based on CaO-CaF2 Slag System
How to prevent porosity defects in steel casting component
Hybrid additive manufacturing of island grain bicrystals
Improving Material Properties using Contactless Ultrasonic Cavitation
Measurement and Simulation of Reoxidation Inclusions in Steel Casting
Microstructure and properties of Al-alloys produced by the counter gravity casting
Modeling the bonding and structure of non-metallic inclusions within a nickel matrix during forging
Modelling Concurrent Structural Mechanical Mechanisms in Microstructure Solidification
Modification of cast and wrought aluminum parts using hybrid laser hot-wire manufacturing
Nucleation in Undercooled Melt upon Changes in the Electromagnetic Stirring
Numerical Modelling of porosity with combined gas and shrinkage effects in HPDC
Particle Capture Defects in Continuous Steel Casting
Porosity defects in High Pressure Die Castings: Mechanisms and Uncertainties
Porosity formation in high pressure die casting: experiments and simulations
Probabilistic multiscale finite element model for predicting strength and fracture strain of cast Al-Si-Mg alloy
Quantifying pore evolution during laser powder fusion using high-speed X-ray imaging and high fidelity multiphase simulation
Research progress of composite preparation technology of bimetallic wire
The Influence of Environmental and Material Properties Data on Defect Predictions in Computational Fluid Dynamics Simulations of Investment Casting
The mechanical properties and microstructural of cast zinc though aluminum inoculation by ultrasonic treatment
Uncertainty Quantification of Model Predictions due to Fluid Flow in Laser Powder Bed Fusion of IN625
Understanding effects of oxide bifilms on solidification microstructures by multiscale modeling
Using Inoculation and Solidification Rate Adjustments to Control Intermetallic Distribution in Nickel Gear Bronze
Utilization of Industrial waste as an alternative to silica sand for foundry industries

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