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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology: Fundamentals of Aluminum Alloy Solidification Joint Session
Presentation Title Homogenization Treatment of High-strength Aluminum Alloy with Casting Processes
Author(s) Myounggyun Kim
On-Site Speaker (Planned) Myounggyun Kim
Abstract Scope High-strength aluminum alloys became the key structural materials of various applications. Because aluminum alloys with the high contents of alloying element have the range of the melting became wide, the existed phases with high volume fractions and large grain at grain boundary is produced by the direct chill casting. In order to reduce surface crack and internal defect of the high strength aluminum ally billets during casting, the electromagnetic stirring technique was adopted. It is found that the crack is often formed in DC casting, the billet without crack defects is obtained in electromagnetic stirring casting. The temperature gradient of the melt between the surface and center is about 15~20K during DC casting, in the applied electromagnetic stirring field, the temperature gradient and the pool depth was remarkably reduced. Also, the required time for homogenization treatment of electromagnetic stirred billet could be reduced.
Proceedings Inclusion? Planned: Light Metals


An Investigation on Si Refinement Mechanism of Hypereutectic Al-Si via Applying Ultrasonic Vibrations
Effective Nanoparticles Feeding Treatment in Casting of A356/ZrO2 Nano-reinforced Composite
Effects of Microstructure on Hot Cracking Behavior in Al-Zn-Mg-Cu Alloys
Homogenization Treatment of High-strength Aluminum Alloy with Casting Processes
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
Observations of Microhardness and Segregation in Al-Zn and Zn-Al Specimens with Columnar-to-Equiaxed Grain Transition
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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