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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Frontiers in Solidification Science and Engineering
Presentation Title Application of Fast X-ray Radiography to the In Situ and Real-time Observation of Ni-based Alloy Directional Solidification
Author(s) Guillaume Reinhart, Lara Abou-Khalil, Vincent Maguin, Gildas Guillemot, Charles-André Gandin, Vincent Fernandez, Elodie Boller, David Grange, Ngadia Taha Niane, Nathalie Mangelinck, Henri Nguyen-Thi
On-Site Speaker (Planned) Guillaume Reinhart
Abstract Scope Direct observation of metal alloy solidification by X-ray imaging is an invaluable tool to reveal the dynamics of microstructure formation. Among the various X-ray imaging techniques available using laboratory or synchrotron sources, X-ray radiography is an attractive method that simply consists in illuminating a thin sample with X-ray radiation. The transmitted image is collected on a detector to obtain a projected image of the solidification front, in situ and in real-time. The present communication reports observations of the solidification of CMSX-4 and Ni-11wt.%Al alloys by using fast synchrotron X-ray radiography. Experiments have been carried out at the ID19 beamline of ESRF using a new high temperature furnace allowing materials with a high melting temperature to be studied. The formation of a dendritic network has been studied for directional solidification experiments. Interaction with convective flow will be reported along with measurements of characteristic parameters that will be compared to analytical models.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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A Microstructural Approach toward Improving the Phase Stability of Planar Structure of the Peritectic Pb-Bi Alloys
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A Phase-field Lattice Boltzmann Model for Bubble-dendrite Interaction during Solidification of Binary Alloys
A Quantitative Phase-field Crystal Model to Study Particle Coarsening in Binary Systems
Analysis of Formability of Glassy Alloys by Surface Heating under Convective Conditions
Analysis of Microstructure Rearrangement Processes during Velocity Variations of Directionally Solidified Eutectic Alloys
Anisotropic Interfaces in Coarse-grained Phase-field Crystal Models
Anomalous Dendrite Growth in Undercooled Al-Ni Melts
Application of Fast X-ray Radiography to the In Situ and Real-time Observation of Ni-based Alloy Directional Solidification
Dendrite Orientation Selection and Growth Dynamics of Al-based Alloys
Disrupting Solidification Microstructures via Magnet Fields Revealed by High Speed Synchrotron X-ray Tomography
Effect of Interphase Boundary Anisotropy on Three-phase Eutectic Microstructures
Extension of Jackson-Hunt analysis for Curved Interfaces
Graphite Morphology in Directionally Solidified Cast Iron
Impurities at Work: Integrated Imaging of Eutectic Modification
In Situ Observations and Phase-field Modeling of Three-dimensional Grain-boundary Instability and Solitary Cell Dynamics during Directional Solidification of Binary Alloys
In Situ X-ray Tomographic Examination and Modeling of Dendrite Patterns during Solidification in Co and Ni Alloys
Influence of Ta on Solidification Behaviour of Undercooled Ni-Ta Alloys
Inoculation in Lab Scale Low Alloyed Steel Castings
Investigating Nucleation Phenomena and Equilibrium/Non-equilibrium Phases in Rapid Solidification of Binary Al-Cu Alloys
Investigating the Impact of Inoculation on Al Based Alloys
Investigation of the Columnar-to-equiaxed Transition during Solidification in Microgravity
Kinetic Factor in the Nucleation Rate of Stoichiometric Compounds
Liquid Demixing in Undercooled Co-Cu Alloys
Mesoscopic Envelope Model for Equiaxed and Columnar Dendritic Growth Coupled with Flow
Modeling Dendritic Solidification in Microgravity and Terrestrial Conditions
Modeling of Eutectic Growth Kinetics in Multicomponent Alloys with Thermodynamic Couplings
Modeling of TEMHD Flow Velocities and its Influence on Dendritic Growth Velocities in Free Solidification of Pure Metals under Static Magentic Fields
Modeling of Twin Growth during Directional Solidification of Polycristalline Silicon
Multi-GPU Phase-field Simulation of Growth, Motion and Collision of Multiple Dendrites
Multiscale Dendritic Needle Network Model for Dendritic Solidification with Liquid Convection
Multiscale Modeling of Dendritic Grain Structures by Coupling DNN-CA-FE Methods
Nucleation Modes in a Hydrodynamic Phase-field Crystal Model of Solidification
Numerical Investigation Of Macrosegregation Mechanisms In DC Casting for Different Alloy Systems
Permeability Prediction of Dendrite Structure by Large-scale Phase-field Lattice Boltzmann Simulation
Phase-field Modelling of Intermetallic Solidification
Probing the Growth and Dissolution Pathways of Quasicrystals in Real-time
Simulation of Macrosegregation and Columnar to Equiaxed Transition in a Solidification Benchmark Problem
Solidification of a Mushy Zone in a Static Temperature Gradient: Phase-field Simulations
Solidification of Al Alloys Investigated by HAADF-STEM, EELS, and APT
Solidification of Aluminum Alloy A7050 Processed by Spray Forming: From Droplets to Dense Deposits
Solidification of Magma: From Crystal Growth to Bubble Formation
Solidification Study of Spray-formed Cast Irons
Solidification, Processing, and Characterization of High Entropy Alloys
Spacing Homogenization in Lamellar Eutectics with Anisotropic Interfaces
Study on the Formation and Control of TiN Inclusion in Mushy Zone for High Ti Microalloyed Steel
The Elimination of a Surface Defect in Traditional Open Sand Casting of Lead
Variational Formulation of a Quantitative Phase-field Model for Non-isothermal Solidification in Multi-component Alloys and its Applications

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