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Volume 15 Issue 2
Apr.  2008
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Hao Yu and Yonglin Kang, Effect of boron on hot strips of low carbon steel produced by compact strip production, J. Univ. Sci. Technol. Beijing, 15(2008), No. 2, pp. 138-142. https://doi.org/10.1016/S1005-8850(08)60027-4
Cite this article as:
Hao Yu and Yonglin Kang, Effect of boron on hot strips of low carbon steel produced by compact strip production, J. Univ. Sci. Technol. Beijing, 15(2008), No. 2, pp. 138-142. https://doi.org/10.1016/S1005-8850(08)60027-4
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Materials

Effect of boron on hot strips of low carbon steel produced by compact strip production

  • 通讯作者:

    Hao Yu    E-mail: yhzhmr@126.com

  • The effect of boron on hot strips of low carbon steel produced by compact strip production (CSP) to reduce the strength to a certain degree was investigated, which is quite different from that of high-strength low alloy steel. The mechanical properties and microstructural evolution of the hot strip were studied using optical microscopy and tensile tests. By means of an electrolytic dissolution technique and Thermo-Cal calculation, the precipitates containing boron were analyzed and detected. From the electron backscattered diffraction analysis, it can be deciphered whether the microstructure has recrystallized or not. Furthermore, the effect of boron segregation on the recrystallization or non-recrystallization conditions can be distinguished. The segregation behavior of boron was investigated in boron-containing steel. The nonequilibrium segregation of boron during processing was discussed on the basis of the forming complexes with vacancies that migrate to the boundaries prior to annihilation, which was confirmed by the subsequent cold rolling with annealing experiments.
  • Materials

    Effect of boron on hot strips of low carbon steel produced by compact strip production

    + Author Affiliations
    • The effect of boron on hot strips of low carbon steel produced by compact strip production (CSP) to reduce the strength to a certain degree was investigated, which is quite different from that of high-strength low alloy steel. The mechanical properties and microstructural evolution of the hot strip were studied using optical microscopy and tensile tests. By means of an electrolytic dissolution technique and Thermo-Cal calculation, the precipitates containing boron were analyzed and detected. From the electron backscattered diffraction analysis, it can be deciphered whether the microstructure has recrystallized or not. Furthermore, the effect of boron segregation on the recrystallization or non-recrystallization conditions can be distinguished. The segregation behavior of boron was investigated in boron-containing steel. The nonequilibrium segregation of boron during processing was discussed on the basis of the forming complexes with vacancies that migrate to the boundaries prior to annihilation, which was confirmed by the subsequent cold rolling with annealing experiments.
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