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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Defects and Properties of Cast Metals IV
Presentation Title Measurement and Simulation of Reoxidation Inclusions in Steel Casting
Author(s) Robert M. Donahue, Christoph Beckermann
On-Site Speaker (Planned) Christoph Beckermann
Abstract Scope Reoxidation inclusions that form during mold filling can severely diminish the properties of steel castings and often require costly weld repair. Experiments are performed to measure the volume and distribution of reoxidation inclusions in various casting geometries. The molds are 3D printed and filled with liquid steel using a teapot ladle. The cope surfaces are covered by chill plates to avoid shrinkage cavities and allow for the measurement of all inclusions on the casting surfaces. Flat plates of various inclination angles, blocks with cylindrical cores, and ring castings with dirt traps are investigated. The castings are x-rayed and the inclusion distributions on the surfaces are carefully mapped using image analysis. The experimental results are used to validate a previously developed simulation model that calculates the formation, growth, and buoyant transport of reoxidation inclusions during filling. It is found that the model predicts the measured inclusion distributions well.
Proceedings Inclusion? Planned:
Keywords Solidification, Modeling and Simulation, Iron and Steel

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
Characterization of Second Phase Particles in Twin Roll Cast Aluminum Alloy AA 8011
Controlling Freckle Defect Formation Using Magnetic Fields
Elucidating the Relationship between Arc Behavior and Solidification Defects during Vacuum Arc Remelting of Superalloys
F-26: Correlation between Purification Effect and Surface Segregation of Impurities in Aluminium at High Temperatures
F-27: Modeling the Bonding and Structure of Non-metallic Inclusions within a Nickel Matrix during Forging
F-28: The Mechanical Properties and Microstructural of Cast Zinc though Aluminum Inoculation by Ultrasonic Treatment
Formation Mechanisms of Surface Blistering in AA6xxx Rolled Products: Microstructure Characterization, Ultrasonic Analysis, and Rolling Tests
Hybrid Additive Manufacturing of Island Grain Bicrystals
Improving Material Properties Using Contactless Ultrasonic Cavitation
Measurement and Simulation of Reoxidation Inclusions in Steel Casting
Modelling Concurrent Structural Mechanical Mechanisms in Microstructure Solidification
Modification of Cast and Wrought Aluminum Parts Using Hybrid Laser Hot-wire Manufacturing
NOW ON-DEMAND ONLY – Understanding Effects of Oxide Bifilms on Solidification Microstructures by Multiscale Modeling
Nucleation in Undercooled Melt upon Changes in the Electromagnetic Stirring
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
Reduced-Order Multiscale Modeling of Elasto-Plastic Cast Alloys with Process-Induced Porosity
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
Uncertainty Quantification of Model Predictions due to Fluid Flow in Laser Powder Bed Fusion of IN625

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