Simulation of microstructures in solidification of aluminum twin-roll casting

Based on the research on the solidification of twin-roll continuous casting aluminum thin strip, the analytical model of heterogeneous nucleation, the growth kinetics of tip (KGT) and columnar dendrite transformation to equiaxed dendrite (CET) of twin-roll continuous casting aluminum thin strip soli...

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Bibliographic Details
Published in:Transactions of Nonferrous Metals Society of China 2012-06, Vol.22 (6), p.1452-1456
Main Authors: CHEN, Shou-dong, CHEN, Jing-chao
Format: Article
Language:English
Subjects:
Aluminum base alloys
Computer simulation
Continuous casting
Dendritic structure
emulational simulation
Mathematical models
micro-model
Solidification
solidification structure
Strip
Twin roll casting
twin-roll continuous casting
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Summary:Based on the research on the solidification of twin-roll continuous casting aluminum thin strip, the analytical model of heterogeneous nucleation, the growth kinetics of tip (KGT) and columnar dendrite transformation to equiaxed dendrite (CET) of twin-roll continuous casting aluminum thin strip solidification was established by means of the principle of metal solidification and modern computer emulational technology. Meantime, based on the cellular automaton, the emulational model of twin-roll continuous casting aluminum thin strip solidification was established. The foundation for the emulational simulation of twin-roll casting thin strip solidification structure was laid. Meanwhile, the mathematical simulation feasibility was confirmed by using the solidification process of twin-roll continuous casting aluminum thin strip.
ISSN:1003-6326
DOI:10.1016/S1003-6326(11)61340-X