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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology: Fundamentals of Aluminum Alloy Solidification Joint Session
Presentation Title In-situ Study of Solidification Kinetics of Al-Cu and Al-Ce Alloys with Application of Neutron Diffraction
Author(s) Joshua Stroh, Tyler A. Davis, Alexandra McDougall, Dimitry G. Sediako
On-Site Speaker (Planned) Dimitry G. Sediako
Abstract Scope Kinetics of evolution of solid phases during solidification of industrial aluminum alloys determine resulted as-cast microstructure and, hence, service properties of the cast metal. This study is focused on developing of fundamental understanding of solidification sequence of two industrial alloys targeted for automotive engine-head application. One of the alloys is a commercial A206, while the other is a newly-developed Al-Ce-Mg alloy. Expected solidification pass for all expected phases was initially calculated for equilibrium and non-equilibrium process with application of the FactSage software, followed with in-situ neutron diffraction experiments. The observed differences in kinetics of phase evolution are discussed and explained.
Proceedings Inclusion? Planned: Light Metals


An Investigation on Si Refinement Mechanism of Hypereutectic Al-Si via Applying Ultrasonic Vibrations
C-45: Homogenization Treatment of High-strength Aluminum Alloy with Casting Processes
Effects of Microstructure on Hot Cracking Behavior in Al-Zn-Mg-Cu Alloys
Impact of Inlet Flow on Macrosegregation Formation Accounting for Grain Motion and Morphology Evolution in DC Casting of Aluminium
In-situ Study of Solidification Kinetics of Al-Cu and Al-Ce Alloys with Application of Neutron Diffraction
Quantifying Effects of Grain Refiner Addition on Fe-rich Intermetallics Solidification of Al-Si-Cu Alloys Using In Situ Synchrotron X-ray Tomography

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