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Formation of Structure of Lower Carbide-Free Bainite Due to Isothermal Treatment of Steels of Types Kh3G3MFS and KhN3MFS

  • 65 YEARS OF THE DEPARTMENT OF METAL SCIENCE, HEAT AND LASER TREATMENT OF METALS OF THE PERM NATIONAL RESEARCH POLYTECHNIC UNIVERSITY
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The principal possibility of formation of a structure of lower carbide-free bainite under long-term holds is shown for steels of two alloying systems Kh3G3MFS and KhN3MFS containing 0.25 – 0.30 and 0.40 – 0.45% carbon. Dilatometric analysis of the phase transformations is performed and the bainitic range of the diagrams of decomposition of supercooled austenite is plotted. The structure is studied by the methods of light, scanning electron, and transmission microscopy.

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The work has been performed with financial support of the Ministry of Education and Science of the Russian Federation (Agreement No. 02.G25.31.0068 of 23.05.2013 within measures on implementation of Decree No. 218 of the Government of the RF).

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Authors and Affiliations

  1. Perm National Research Polytechnic University, Perm, Russia

    Yu. N. Simonov, M. Yu. Simonov, D. O. Panov & V. P. Vylezhnev

  2. Institute for Metals Physics of the Ural Branch of the Russian Academy of Sciences, Ekaterinburg, Russia

    A. Yu. Kaletin

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  1. Yu. N. Simonov
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  2. M. Yu. Simonov
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  3. D. O. Panov
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  4. V. P. Vylezhnev
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Correspondence to Yu. N. Simonov.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 4 – 13, February, 2016.

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Simonov, Y.N., Simonov, M.Y., Panov, D.O. et al. Formation of Structure of Lower Carbide-Free Bainite Due to Isothermal Treatment of Steels of Types Kh3G3MFS and KhN3MFS. Met Sci Heat Treat 58, 61–70 (2016). https://doi.org/10.1007/s11041-016-9965-z

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  • DOI: https://doi.org/10.1007/s11041-016-9965-z

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