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Volume 24 Issue 5
May  2017
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文章导航 >  矿物冶金与材料学报（英文）  > 2017  >  24(5): 523-529
Anna Zykova, Natalya Popova, Mark Kalashnikov,  and Irina Kurzina, Fine structure and phase composition of Fe-14Mn-1.2C steel:influence of a modified mixture based on refractory metals, Int. J. Miner. Metall. Mater., 24(2017), No. 5, pp. 523-529. https://doi.org/10.1007/s12613-017-1433-2
Cite this article as:
Anna Zykova, Natalya Popova, Mark Kalashnikov,  and Irina Kurzina, Fine structure and phase composition of Fe-14Mn-1.2C steel:influence of a modified mixture based on refractory metals, Int. J. Miner. Metall. Mater., 24(2017), No. 5, pp. 523-529. https://doi.org/10.1007/s12613-017-1433-2
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研究论文

Fine structure and phase composition of Fe-14Mn-1.2C steel:influence of a modified mixture based on refractory metals

  • Tomsk Polytechnic University, Tomsk 634050, Russian Federation

  • Tomsk State University of Architecture and Building, Tomsk 634003, Russian Federation

  • Chemical Department, Tomsk State University, Tomsk 634050, Russian Federation

  • 通讯作者:

    Irina Kurzina    E-mail: kurzina99@mail.ru

  • The effect of TiO2, ZrO2 and Na3AlF6 ultrafine powders on the fine structure and the phase composition of Fe-14Mn-1.2C steel was investigated. The introduction of the ultrafine powders into the melt influenced the grain size, the quantity, and the character of distribution of nonmetallic inclusions in the railroad frogs. The microstructure of castings was improved significantly because of the refinement of the grain structure and an increase of the grain-boundary area. After the modifying mixture was introduced into the melt, either the microtwins of one or two intersecting systems or the precipitations of ε-martensite of different types, or simultaneously the microtwins and wafers of ε-martensite, were present in each grain.
    • Research Article

    Fine structure and phase composition of Fe-14Mn-1.2C steel:influence of a modified mixture based on refractory metals

    + Author Affiliations
      Abstract
    • The effect of TiO2, ZrO2 and Na3AlF6 ultrafine powders on the fine structure and the phase composition of Fe-14Mn-1.2C steel was investigated. The introduction of the ultrafine powders into the melt influenced the grain size, the quantity, and the character of distribution of nonmetallic inclusions in the railroad frogs. The microstructure of castings was improved significantly because of the refinement of the grain structure and an increase of the grain-boundary area. After the modifying mixture was introduced into the melt, either the microtwins of one or two intersecting systems or the precipitations of ε-martensite of different types, or simultaneously the microtwins and wafers of ε-martensite, were present in each grain.
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