Solidification and Gravity V

Erscheinungsjahr 2010
ISBN: 978-0-87849-290-9
Verlag: Trans Tech Publications

Buch, Englisch, 600 Seiten, Format (B × H): 170 mm x 240 mm, Gewicht: 1200 g

Volume is indexed by Thomson Reuters CPCI-S (WoS).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.

Autoren/Hrsg.

Roósz, A.

Mertinger, Valéria

Barkóczy, Péter

Hoó, Csaba

Fachgebiete

• Technische Wissenschaften Maschinenbau | Werkstoffkunde Technische Mechanik | Werkstoffkunde

Inhaltsverzeichnis

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