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Effect of the Non-Equilibrium Solidus Temperature on Length of Soft Reduction Zone

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Abstract:

Solidus temperature is one of the important key parameters to describe the non-equilibrium solidification states. However, the study of the non-equilibrium solidus is not enough presently. In present work, the key Influence factors on solidus temperature have been discussed, and it can be calculated by a mathematical model for solute microsegregation during the solidification. The calculated solidus can be agree with the recommended values by some dynamic soft reduction model. It is shown clearly the thermal analysis with non-equilibrium solidus was consistent with the pin shooting experiments. And the effect of the non-equilibrium solidus temperature on solid fraction and the length of soft reduction zone at the solidifying front has been studied sufficiently. Dynamic soft reduction metallurgical effect with the non-equilibrium solidus has been agreed by carbon segregation index and Macroetched experiment.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

139-143

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.139

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Online since:

February 2012

Authors:

Hong Zhi Qian, Pi Jun Hu, Jia Quan Zhang

Keywords:

Continuous Casting, Length of Soft Reduction Zone, Non-Equilibrium Solidification, Solidus Temperature

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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