Solidification and Gravity V: (Volume 649 Materials Science Forum)

This collection of papers provides the most up-to-date information available for researchers and engineers who are interested in any aspect of the field of solidification processes. Herein, theoretical analyses are presented, as well as studies of the technological problems which are associated with solidification in various gravitational environments. The topics covered range from fundamental aspects and modelling, to practical engineering applications. The contents are presented under the headings of: Microgravity effect; Rapid solidification, Glasses; Single crystal, Semi solid; Microstructure Evolution of Eutectic, Peritectic and Monotectic; Modeling; Melt Flow, Effect of magnetic field; Nucleation, grain refiment; In situ observation; Columnar equiaxed transition; Foam, Composites; Mushy Zone, Dendritic Structure; Continuous and Mould Castings; and, Thermophysical and Physical Properties.

Table of Contents:
Organizers Committees Preface I. Microgravity Effect Beginning of the Hungarian Space Metallurgy Activity: The BEALUCA Project The "EÖTVÖS” Program in Space Research – 1979-1986 The Development of a Microgravity Experiment Involving Columnar to Equiaxed Transition for Solidification of a Ti-Al Based Alloy Detailed Numerical Simulation of Short-Term Microgravity Experiments to Determine Heat Conductivity of Melts Melt Structural Self-Organization and Viscosity within the Transient Layer during a Single Crystal Growth in Microgravity II. Rapid Solidifications, Glasses Martensite and Nanocrystalline Phase Formation in Rapidly Solidified Ni2MnGa Alloy by Melt-Spinning The Solidification in the Presence of a Metastable Miscibility Gap: The Case of Co-Cu and Co-Cu-X Alloys Phase Selection in Undercooled Melts of Peritectic Cu-Ge Alloys Benefits of Modeling of Melting for the Understanding of Solidification Processes In Situ Produced MMC Layer by Laser Melt Injection Identification of Bulk Metallic Forming Compositions through Thermodynamic and Topological Models Analysis of Cu-Zr-Ag Amorphisable Alloys Produced by Centrifugal Casting Investigation of the Solidified Structure of Cu-Hf-Ti Alloys Investigation of Amorphous/Crystalline State in Cu-Hf-Al Alloys Analysis of Cu-Zr-Al Amorphisable Alloys Produced by Centrifugal Casting Ni Content Surface Layer Produced by Laser Surface Treatment on Amorphisable Cu Base Alloy The Effect of the Laser Surface Treatments on the Wear Resistance III. Single Crystal, Semi Solid Oscillatory Structure of the Zn-Cu-Ti Single Crystals Investigation on the Production of Thixotropic Semisolid Ti Alloys Control of the Single Crystal Reinforcement by the Intermetallic Compound Layers IV. Microstructure Evolution of Eutectic, Peritectic and Monotectic Regular Structure Formation of Hypermonotectic Al-In Alloys Monotectic Alloys and their Growth Morphologies Influence of Undercooling on the Kinetics of the Peritectic Transition in an Fe-4.2wt%Ni Alloy In Situ Investigation of Liquid-Liquid Phase Separation in Hypermonotectic Alloys In Situ Observation of Solidification in an Organic Peritectic Alloy System Alignment of Primary Al3Ni Phases in Hypereutectic Al-Ni Alloys with Various Compositions under High Magnetic Field Gradients Effect of Alloying Elements on Graphite Morphology in CGI Characterization of the Morphology of Si in the Modified Al-Si Alloys Effects of Composition on Solidification Microstructure of Cast Titanium Alloys V. Modeling Modeling of Heat and Solute Interactions upon Grain Structure Solidification Phase-Field Simulations of Dendritic Orientation Selection in Mg-Alloys with Hexagonal Anisotropy Meshless Approach to Solving Freezing with Natural Convection A Meshless Approach in Solution of Multiscale Solidification Modeling Modelling of Dendritic Growth during Unidirectional Solidification by the Method of Cellular Automata Numerical Simulation of TiAl-Nb Alloy Solidification Experiment in TEM 01-3M Facility Aboard MAXUS 8 Influence of the Slag/Pool Interface on the Solidification in an Electro-Slag Remelting Process CAFE Modeling of Segregation and Structure in Levitated Droplets Combined Analytical and Numerical Front Tracking Approach to Modeling Directional Solidification of a TiAl-Based Intermetallic Alloy for Design of Microgravity Experiments VI. Melt Flow, Effect of Magnetic Field Microstructure Formation in AlSi6Cu4 Alloy with Forced Melt Flow Induced by a Rotating Magnetic Field Morphological Transition in High Growth Rate in Constrained Solidification Effect of the High Rotating Magnetic Field (min. 30 mT) on the Unidirectionally Solidified Structure of Al7Si0.6Mg Alloy Comparison between Simulation and Experimental Results of the Effect of RMF on Directional Solidification of Al-7wt.%Si Alloy Revolution Number (RPM) Measurement of Molten Alloy by Pressure Compensation Method Undercooling of Pure Cu and Ge Melts in a Static Magnetic Field VII. Nucleation, Grain Refinement Nucleation and Grain Refinement About Ultrasonic Melt Treatment during Solidification and its Influence on Grain Size and Mechanical Properties of Magnesium Alloy AZ 91 Shear Enhanced Heterogeneous Nucleation in AZ91D Alloy Silicon Particle Precipitation during DC Casting of Al-Si Clad Alloys Refinement of Solidification Microstructures by the MCAST Process VIII. In Situ Observation In Situ Observation of Solidification in Horizontal Centrifugal Casting Process Measurement of Solute Profiles by Means of Synchrotron X-Ray Radiography during Directional Solidification of Al-4 wt% Cu Alloys Deformation Behavior of Aluminum Alloys during Solidification IX. Columnar Equiaxed Transition CET by Fragmentation during the Solidification under Natural and Forced Convection of Non-Refined Al-Based Alloys Columnar to Equiaxed Transition During Ingot Casting Using Ternary Alloy Composition Macroscopic Model for Predicting Columnar to Equiaxed Transitions Using Columnar Front Tracking and Average Equiaxed Growth Analysis of a Microgravity Solidification Experiment for Columnar to Equiaxed Transitions with Modeling Results Numerical and Experimental Investigation of NH4Cl Solidification A Sensitivity Study of Grain Growth Model For Prediction of ECT and CET Transformations in Continuous Casting of Steel Columnar to Equiaxed Transition in Al-Cu-Ag X. Foam, Composites Role of Oxide Particles in Aluminum Melt toward Aluminum Foam Fabrication by the Melt Route Foam Evolution and Stability at Elevated Gravity Levels XI. Mushy Zone, Dendritic Structure Permeability in the Mushy Zone Flow Effects on Mush Coarsening Effect of Two-Liquid Casting on the Microstructure of Sn-Pb Alloys Micro-Segregation: Issues of Growth Rate and the Peritectic Microstructural Response to Growth Rate and Mg Additions during Directional Growth of Al-Cu-Mg Alloys XII. Continuous and Mould Castings The Influence of the Solidification Process to the Dimensional Accuracy of Castings Experimental and Simulation Researches about „U” Section Castings Solidification On the Problems of a Migrating Hot Spot Solidification Circumstances in Case of Al-Si Cylinderhead Castings Crystallization of Iron Slags Found in Eraly Medieval Bloomery Furnaces Centreline Segregation of CC Slabs Solidification Time Estimation and Simulation - In Case of HPDC Effect of Temperature on the Properties of High Pressure Die Casting XIII. Thermophysical and Physical Properties Interdiffusion and Thermodynamic Forces in Binary Liquid Alloys Determining Thermal Properties of Insulating Sleeves Comparison of Thermal Analysis and Differential Thermal Analysis for Evaluating Solid Fraction Evolution during Solidification of Al-Si Alloys Regression Model Describing the Thermal Conductivity of Various Cast Irons The Effects of Solidification Conditions and Heat Treatment on the Microstructure and Mechanical Properties of EN-AC 44400 Alloy Effects of Carbon Content on the Ultimate Tensile Strength in Gray Cast Iron Fracture Mechanics of Gray Cast Iron Assessment of the Al Corner of the Ternary Al–Fe–Si System Dilatometer Study of Aluminium-Silicon Based Alloys with Metastabile Structures Heat Balance of the Model Ingot Head