Research on Synthesizing Process under Ultrasound Coupling and Refining Performance of Al-Ti-C Grain Refiner

Ying Long Li; Fu Rong Cao; Li Jin

doi:10.4028/www.scientific.net/AMM.217-219.377

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219Research on Synthesizing Process under Ultrasound...

Research on Synthesizing Process under Ultrasound Coupling and Refining Performance of Al-Ti-C Grain Refiner

Abstract:

The microstructural characters and refining property of Al-Ti-C grain refinement alloy prepared by ultrasound coupling method were studied by analytical means such as SEM, and the reaction synthesis mechanism of Al-Ti-C grain refinement was discussed. Experimental results show that the Al-Ti-C alloy refiner using “thermite reduction method” under high-energy ultrasound was prepared experimentally. Its microstructure character is that master alloy has smaller size of TiC, its quantities are larger and are dispersed. Melt reaction is generally that the source of titanium releases Ti atoms under high temperature of ultrasonic. Ti atoms react with aluminum to generate TiAl3, and react with carbon to generate TiC.

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Periodical:

Applied Mechanics and Materials (Volumes 217-219)

Pages:

377-381

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.217-219.377

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Online since:

November 2012

Authors:

Ying Long Li, Fu Rong Cao, Li Jin

Keywords:

Al-Ti-C Grain Refiner, Refining Property, Synthesis Mechanism, Ultrasound Coupling

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