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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Materials Processing Fundamentals
Presentation Title Phase Transformation and Precipitation Modeling of Hypereutectic Al-Mn Alloy during Solidification
Author(s) Jiwon Park, Jae-Gil Jung, Chang-Seok Oh
On-Site Speaker (Planned) Jiwon Park
Abstract Scope A computational model based on the phase field approach is used to simulate Al<sub>6</sub>Mn precipitation during solidification of hypereutectic Al-Mn alloy. Al<sub>6</sub>Mn precipitate shows various types of morphology depending on the alloy composition and solidification rate, such as needle-like, cuboid, or hollow hopper-shaped; these exhibit distinct facet planes. In this study, formation of Al<sub>6</sub>Mn precipitate out of liquid matrix and subsequent eutectic solidification is simulated in perspective of anisotropy. In the simulation Al<sub>6</sub>Mn is presumed to be orthorhombic and the formation of quasicrystal is not taken into account, as the solidification rate is slow enough. The computed result is validated through in comparison with micrographs of as-cast Al-Mn ingot showing acceptable agreement in meso-scale level. The primary shape of the precipitate is hollow hopper, and its orientation relationship with α-Al is examined in TEM analysis
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

A Systems Approach for Modeling the Dynamic Thermomechanical Response of Carbon Steels
Applied Statistical Analysis on the Calcination Process in the Ferronickel Production
Development of Ultra High-basicity Mold Fluxes for Peritectic Steel Continuous Casting
E-53: Control of Low Melting Point MnO-SiO2-Al2O3 Inclusions in Low Carbon Thin-strip Continuous Casting Steel
E-55: Effect of Temperature, Concentration and Particle Size of the Solid Solution of Potassium-ammonium Arsenojarosita Medium NaOH
E-56: Effects of Zr on the Microstructure and Mechanical Properties of EH36 Shipbuilding Steel
E-57: Genetic Influence of Mold Corner Structure on the Strand Corner Temperature in Secondary Cooling Zone during Slab Continuous Casting
E-58: Growth Kinetics on Boriding Process and Mechanical Behaviour of AISI P20 Steel
E-60: Numerical Simulation and Experimental Study on Electromagnetic Field and Heat Flow in Electromagnetic Cold Crucible (EMCC)
E-61: Recent Progress of Blast Furnace Cooling Stave in China
E-62: Separately Copper Recovery from Iron by Using Solvent Extraction Process
E-64: Study of a Filter-press Electrochemical Reactor for the Treatment of Industrial Waste
E-65: The Effect of Ti Addition and Aging Treat on Microstructure and Mechanical Properties of a Nb-microalloyed Crack Arrest Steel
E-66: The Interface Characteristics of High-temperature Melt of CaO-Al2O3-MgO-SiO2 System
Evaluation Feature of Nano Grain Growth of TiO2 Thin Film via Sol- gel Route
Evolution and Formation of CaS-bearing Inclusion in Low-Carbon Al-killed Steel
Experimental Study and Modeling of the Stress Field in Macroscopic Creep Feed Grinding Process
Gallium Evaporation Behavior for Purification in Molecular Beam Epitaxy (MBE)
Gleeble Sintering Simulations of Cryomilled Aluminum AA5083
Influence of MgO Saturation on the ConSteel EAF Foaming Slag Practice
Influence of Oxygen on Surface Tension of Zr
Investigation of Mixing Process in a Steel Ladle with Top Stirring Lance Using CFD
Kinetics of Manganese Reductive Alloying with Carbon and Silicon
Machining Behaviour of Biodegradable Polymer: Force, Damage and Temperature Analysis
Mass Transfer of Al and Ca between Silicon and Synthetic SiO2-CaO-Al2O3 Slags
Mathematical Modelling of Residual Stresses in End Milling
Microstructural and Mechanical Behavior Evolution of Uranium During Thermal-Mechanical Deformation Processing
Oscillation of a Zirconium Droplet – Experiments and Numerical Simulations
Phase Transformation and Precipitation Modeling of Hypereutectic Al-Mn Alloy during Solidification
Predominant Areas on a Partial Pressure Diagram for Multi-Component Systems: II. Applications, Gibbs Phase Rule and 3D Visualization
Predominant Areas on a Partial Pressure Diagram for Multi-Component Systems: I. Comparison Equilibrium-Line and Mass-Balanced Point Methods
Study for Leaching Process of Low Grade Copper Ore
Thermal Analyses of Silver-based Sulfosalts in Air

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