Structural Aspect of Isothermal Bainitic Transformation in High-Carbon Manganese–Silicon Steel


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Abstract

Transmission and scanning electron microscopy and X-ray diffraction analysis were used to compare the structural states of high-carbon manganese–silicon steel which underwent low-temperature isothermal bainitic and martensitic transformations. It was shown that bainite consisting of thin α-phase plates and residual austenite interlayers forms during isothermal holding at 300°С. As the isothermal holding time increases, fine carbide particles precipitate within the bainite α-phase.

About the authors

I. L. Yakovleva

Institute of Metal Physics, Ural Branch, Russian Academy of Sciences

Email: labmet@imp.uran.ru
Russian Federation, Ekaterinburg, 620108

N. A. Tereshchenko

Institute of Metal Physics, Ural Branch, Russian Academy of Sciences

Author for correspondence.
Email: labmet@imp.uran.ru
Russian Federation, Ekaterinburg, 620108

D. A. Mirzaev

South-Ural State University (National Research University)

Email: labmet@imp.uran.ru
Russian Federation, Chelyabinsk, 454080

I. V. Buldashev

South-Ural State University (National Research University)

Email: labmet@imp.uran.ru
Russian Federation, Chelyabinsk, 454080

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