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Volume 10 Issue 5
Oct.  2003
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Xine Yang, Guoguang Cheng, Minglin Wang, Yonglin Li, Yugang Wang,  and Pei Zhao, Precipitation and growth of titanium nitride during solidification of clean steel, J. Univ. Sci. Technol. Beijing, 10(2003), No. 5, pp. 24-26.
Cite this article as:
Xine Yang, Guoguang Cheng, Minglin Wang, Yonglin Li, Yugang Wang,  and Pei Zhao, Precipitation and growth of titanium nitride during solidification of clean steel, J. Univ. Sci. Technol. Beijing, 10(2003), No. 5, pp. 24-26.
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Metallurgy

Precipitation and growth of titanium nitride during solidification of clean steel

  • 通讯作者:

    Guoguang Cheng    E-mail: chcngguoguang@metall.uslb.edu.cn

  • With the help of solidification kinetics, precipitation and growth of TiN have been studied theoretically and the effect of cooling rate on the growth of TiN has been discussed. Through induction electric furnace experiment and electroslag remelting experiment with different cooling rates, the distribution and particle size of TiN were investigated. It is proved that the higher cooling rate is, the smaller the final size of TiN is and the more TiN particles can be found in the steel. That TiN can restrain the growth of columar crystal and enhance the proportion of equiaxed crystals to refine solidification structure as the heterogeneous nucleation sites of 5-ferrite is confirmed preliminarily. A new method to reduce macrosegregation in continuous cast steel is provided.
  • Metallurgy

    Precipitation and growth of titanium nitride during solidification of clean steel

    + Author Affiliations
    • With the help of solidification kinetics, precipitation and growth of TiN have been studied theoretically and the effect of cooling rate on the growth of TiN has been discussed. Through induction electric furnace experiment and electroslag remelting experiment with different cooling rates, the distribution and particle size of TiN were investigated. It is proved that the higher cooling rate is, the smaller the final size of TiN is and the more TiN particles can be found in the steel. That TiN can restrain the growth of columar crystal and enhance the proportion of equiaxed crystals to refine solidification structure as the heterogeneous nucleation sites of 5-ferrite is confirmed preliminarily. A new method to reduce macrosegregation in continuous cast steel is provided.
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