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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium CFD Modeling and Simulation in Materials Processing
Presentation Title Understanding Freeze Casting Solidification Process
Author(s) Santiago Gil-Duran, Edgar Alexander Ossa Henao
On-Site Speaker (Planned) Santiago Gil-Duran
Abstract Scope Freeze casting offers a tremendous opportunity to create bio-inspired synthetic materials. The process involves the slurry preparation, solidification, sublimation and sintering to obtain controlled pore ceramics. The aim of this study is to understand the solidification process through solving the heat equation with boundary conditions in a domain that represents the experimental set up. Freefem++ was employed to understand how adjusting parameters that can be varied in the experimental setup affects the cooling patterns of the ceramic slurry. The parameters chosen were the thermal conductivity, diameter and thickness of the mould, convective coefficient and temperature at the bottom of the slurry. Results served to recognize the factors affecting the cooling patterns within the freeze casting process. Choosing an adequate setup will guarantee a directional uniform cooling pattern through the ceramic slurry. These results will help to relate the cooling patterns obtained with the final microstructure achieved in the sintered part.
Proceedings Inclusion? Planned: A print-only volume


3D CFD Modeling of the LMF System
3D CFD Multicomponent Model for Cold Spray Additive Manufacturing of Titanium Particles
A Fully-Implicit, High-Order CFD Solver for Capturing Laser Melt Pool Dynamics in Additive Manufacturing
A High-Order Acoustic Cavitation Model for the Treatment of a Moving Liquid Metal Volume
Application of CFD to Multi-phase Mixing in the Metals and Mining Industries
CFD Analysis of Blast Furnace Operating Condition Impacts on Operational Efficiency
CFD Modeling of a Ladle with Top Stirring Lance
Computational Fluid Dynamic Simulations of a Laboratory Flash Reactor Relevant to a Novel Flash Ironmaking Process
Computational Investigation of Splashing Behaviors in Steelmaking Converter
Effects of Velocity-Based Packing Criteria on Models of Alloy Solidification with Free Floating Solid
Fluid Flow and Inclusion Motion in A Five-strand Continous Casting Tundish
G-1: Gas-solid Flow and Injected Gas Distribution in Oxygen Blast Furnace Analyzed by DEM-CFD Coupling Model
G-2: Improving Current Efficiency through Optimizing Electrolyte Flow in Zinc Electrowinning Cell
G-3: Influence of Heavy Reduction(HR) on Internal Quality of Continuous Casting Bloom
G-4: Numerical Simulation of Transient Flow in Continuous Casting Mold Based on Lattice Boltzmann Method
G-5: Numerical Study of Flow Behavior and Optimization of Nozzle Ports in Continuous Casting Slab Mold
G-6: The Effect of Pulse Width on the Characteristic of Discharge and Flow for Pure Aluminum
G-7: A Simulation Study on the Spreading and Heat Transfer during Fabrication of Ruthenium Target by Spark Plasma Sintering (SPS)
Large Eddy Simulations of the Effects of Double-Ruler Electromagnetic Braking and Nozzle Submergence Depth on Molten Steel Flow in a Commercial Continuous Casting Mold
Liquid Steel Flow and Interactions with Nonmetallic Phases in the Continuous Casting Tundish Using CFD & Physical Modeling
Localized Strengthening of Al-based Alloys by Automatized Optimization OF Laser Heat Treatment
MHD Flow Model for Liquid Metal Batteries
Microporosity Prediction in Aluminium DC Casting
Modeling of Macrosegregation Induced by Magnetohydrodynamic Thermosolutal Convection in Electroslag Remelting Ingot
Modeling the Multicomponent Columnar-to-Equiaxed Transition of Alloy 625
Modelling Unsteady Mould Filling of Single Crystal Turbine Blade Castings
Multiscale Modeling of the Solidification Structure Evolution of Continuously Cast Steel Blooms and Slabs
Numerical and Experimental Investigation of Vertical Twin Roll Strip Casting Process
Numerical Simulation of Dendritic growth of Fe-C Binary Alloy with Natural Convection
Numerical Simulation of Fluid Flow and Surface Fluctuation in Continuous Casting Mold with Vertical Electromagnetic Brake
Numerical Simulation of Fluid Flow in RH Degasser
Numerical Simulation of the Multiphase Flow in the Single-Tundish System
Numerical Simulation on Multiphase Flow in the Two Side-blown Oxygen-enriched Copper Smelting Furnace
On the Importance of Modeling 3D Shrinkage Cavities for the Prediction of Macrosegregation in Steel Ingots
Performance Optimization and Evaluation of a 3D CA-FVM Model for Dendritic Growth of Fe-C Alloy
Prediction of Microstructure Evolution of Hot Forged AISI 4140 Steel by Numerical Simulation
Progress on Numerical Modeling of the Dispersion of Ceramic Nanoparticles during Ultrasonic Processing and Solidification of Al-based Nanocomposites
Review of Air Entrainment Study in Steel Casting
Simulation of Flows and Instabilities during Crystal Growth via the Traveling Heater Method
Simulation of Heat Transfer in Slab Continuous Casting Mold and New Formation Mechanism of Shell Hot Spots
Understanding Freeze Casting Solidification Process
Validation of a Model for the Columnar to Equiaxed Transition with Melt Convection
(New Presentation) Multiphase Simulation of Mold Filling and Solidification of Nodular Cast Iron using a Volume of Fluid Approach

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