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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium In-situ Methods for Unraveling Structure-Property Relationships in Light Metals
Presentation Title 3D Microstructural Evolution on Solidifying Mg-5Nd-5Zn Alloy Observed via In Situ Synchrotron Tomography
Author(s) Tungky Subroto, Chamini Lakshi Mendis, Francesco D'Elia, Gábor Szakács, Julie L. Fife, Norbert Hort , Karl Ulrich Kainer, Domonkos Tolnai
On-Site Speaker (Planned) Tungky Subroto
Abstract Scope Synchrotron tomography is a unique technique to study 3D microstructure evolution during solidification owing to high brilliance of the beam and the short acquisition time of the detector systems. In this work, in situ X-ray tomography observations were performed during the solidification of Mg-5Nd-5Zn alloy with different cooling rates (5 and 20 K/min). The experiments were performed at the TOMCAT beamline of the Swiss Light Source (PSI, Switzerland). The samples were locally molten by a laser-based heating system and then cooled to the end of solidification. Tomographies were acquired every 5 K during cooling, starting from the fully liquid state until the solidification is completed to follow the evolution of the internal architecture as solidification proceeds. The volume fraction of the phases (i.e. pore, dendrites and interdendritic liquid), morphology and orientation of the growing dendrites, and the effect of cooling rates on the different microstructural features during solidification are discussed.
Proceedings Inclusion? Planned:


3D Microstructural Evolution on Solidifying Mg-5Nd-5Zn Alloy Observed via In Situ Synchrotron Tomography
Acoustic Emission Study of Deformation Behavior of Wrought Mg Alloys
Advanced Aluminum Alloys Development and In-Situ Fitness-for-Service Testing in Automotive Lightweighting
Ambient Pressure X-ray Photoelectron Spectroscopy in Light Element Materials Investigations
Analysis of Microstructure and Damage Evolution in Ultra-thin Wires of the Magnesium Alloy MgCa0.8 at Multipass Drawing
Effect of the Zn Content on the Compression Behaviour of Mg5Nd(Zn): An In Situ Synchrotron Radiation Diffraction Study
Effect of Thermo-mechanical Treatment of Extruded Z1 Mg Alloy on Resulting Mechanical Properties
Formability of Magnesium Alloy AZ31B from Room Temperature to 125C under Biaxial Tension
I-19: Development of Plasticity Models via Point-by-Point Comparison with HREBSD and Microscale DIC
I-21: Parameter Study and Experimental Validation of Crystal-scale Finite Element Analyses of Titanium Alloys
I-22: The Application of Synchrotron X-ray Tomography in the Solidification of Mg Alloys
In-situ Investigation of Deformation Mechanisms in Mg-Zn-Y Magnesium Alloy with LPSO Phase by Diffraction Methods and Acoustic Emission
In-situ Real-time Monitoring of Aging Processes in an Aluminum Alloy by High-precision Dilatometry
In-situ X-ray Synchrotron Profile Analysis during High Pressure Torsion of Ti
Morphological Transition of α-Mg Dendrites during Near-isothermal Solidification of a Mg-Nd-Gd-Zn-Zr Casting Alloy
Overview of In-Situ X-ray Studies of Light Alloy Solidification in Microgravity
Real-time Observation of AZ91Solidification by Synchrotron Radiography
Structural Evolution of Metals at High Temperature: Complementary Investigations with Neutron and Synchrotron Quantum Beams
The Effect of Grain Refinement on Hot Tearing in AZ91D Magnesium Alloys
The Use of In-situ X-ray Imaging Methods in the Research and Development of Magnesium-based Grain-refined and Nanocomposite Materials

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