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Features of Isothermal Formation of Carbide-Free Bainite in High-Carbon Manganese-Silicon Steel

  • Structure, Phase Transformations, and Diffusion
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Abstract

Change in the stability of overcooled austenite of high-carbon manganese-silicon steel relative to decomposition via the intermediate stage upon isothermal holding and martensitic γ → α transformation upon subsequent cooling has been studied using dilatometry and X-ray diffraction. The kinetics of low-temperature bainite transformation has been studied. The tetragonality of the crystal lattice of bainite α-phase caused by the superequilibrium content of carbon was found.

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Correspondence to I. V. Buldashev.

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Original Russian Text © N.A. Tereshchenko, I.L. Yakovleva, D.A. Mirzaev, I.V. Buldashev, 2018, published in Fizika Metallov i Metallovedenie, 2018, Vol. 119, No. 6, pp. 602–610.

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Tereshchenko, N.A., Yakovleva, I.L., Mirzaev, D.A. et al. Features of Isothermal Formation of Carbide-Free Bainite in High-Carbon Manganese-Silicon Steel. Phys. Metals Metallogr. 119, 569–575 (2018). https://doi.org/10.1134/S0031918X18060145

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  • DOI: https://doi.org/10.1134/S0031918X18060145

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