Phase transformations during high-speed heat treatment of the system "carbide (M23C6)/(α-Fe) matrix"

Abstract

A brief thermodynamic analysis of phase transformations taking place during heat treatment of the system Fe-Cr-C, which is the basis of high-chromium steel, is performed. It is shown that formation of both, solid solutions based on α-iron (BCC crystalline lattice) and γ-iron (FCC crystalline lattice) and an entire spectrum of carbide phases of the complex element composition (M₂₃C₆, M₇C₃, M₃C and M₃C₂, where the symbol M stands for atoms of metallic elements Fe and Cr) is possible in this material under equilibrium conditions. The irradiation of steel with an intense pulsed electron beam is carried out. It is shown that electron-beam treatment of steel in the melting mode and the subsequent high-speed crystallization is accompanied by transformation of the surface layer structure, consisting of (1) the dissolution of particles of the initial carbide phase; (2) formation of dendritic crystallization cells of submicron (80...200 nm) sizes; (3) the repeated isolation of nanosized (10-15 nm) particles of the carbide phase.

Original language	English
Title of host publication	Prospects of Fundamental Sciences Development, PFSD 2017 - Proceedings of the XIV International Conference of Students and Young Scientists
Publisher	American Institute of Physics Inc.
Volume	1899
ISBN (Electronic)	9780735415874
DOIs	https://doi.org/10.1063/1.5009852
Publication status	Published - 3 Nov 2017
Event	14th International Conference of Students and Young Scientists on Prospects of Fundamental Sciences Development, PFSD 2017 - Tomsk, Russian Federation Duration: 25 Apr 2017 → 28 Apr 2017

Conference

Conference	14th International Conference of Students and Young Scientists on Prospects of Fundamental Sciences Development, PFSD 2017
Country	Russian Federation
City	Tomsk
Period	25.4.17 → 28.4.17

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.5009852

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Ivanov, Y., Klopotov, A., Petrikova, E., Vlasov, Y., & Kondratyuk, A. (2017). Phase transformations during high-speed heat treatment of the system "carbide (M₂₃C₆)/(α-Fe) matrix". In Prospects of Fundamental Sciences Development, PFSD 2017 - Proceedings of the XIV International Conference of Students and Young Scientists (Vol. 1899). [030007] American Institute of Physics Inc.. https://doi.org/10.1063/1.5009852

Phase transformations during high-speed heat treatment of the system "carbide (M₂₃C₆)/(α-Fe) matrix". / Ivanov, Yurii; Klopotov, Anatolii; Petrikova, Elizaveta; Vlasov, Yurii; Kondratyuk, Alexey.

Prospects of Fundamental Sciences Development, PFSD 2017 - Proceedings of the XIV International Conference of Students and Young Scientists. Vol. 1899 American Institute of Physics Inc., 2017. 030007.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ivanov, Y, Klopotov, A, Petrikova, E, Vlasov, Y & Kondratyuk, A 2017, Phase transformations during high-speed heat treatment of the system "carbide (M₂₃C₆)/(α-Fe) matrix". in Prospects of Fundamental Sciences Development, PFSD 2017 - Proceedings of the XIV International Conference of Students and Young Scientists. vol. 1899, 030007, American Institute of Physics Inc., 14th International Conference of Students and Young Scientists on Prospects of Fundamental Sciences Development, PFSD 2017, Tomsk, Russian Federation, 25.4.17. https://doi.org/10.1063/1.5009852

Ivanov Y, Klopotov A, Petrikova E, Vlasov Y, Kondratyuk A. Phase transformations during high-speed heat treatment of the system "carbide (M₂₃C₆)/(α-Fe) matrix". In Prospects of Fundamental Sciences Development, PFSD 2017 - Proceedings of the XIV International Conference of Students and Young Scientists. Vol. 1899. American Institute of Physics Inc. 2017. 030007 https://doi.org/10.1063/1.5009852

Ivanov, Yurii ; Klopotov, Anatolii ; Petrikova, Elizaveta ; Vlasov, Yurii ; Kondratyuk, Alexey. / Phase transformations during high-speed heat treatment of the system "carbide (M₂₃C₆)/(α-Fe) matrix". Prospects of Fundamental Sciences Development, PFSD 2017 - Proceedings of the XIV International Conference of Students and Young Scientists. Vol. 1899 American Institute of Physics Inc., 2017.

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abstract = "A brief thermodynamic analysis of phase transformations taking place during heat treatment of the system Fe-Cr-C, which is the basis of high-chromium steel, is performed. It is shown that formation of both, solid solutions based on α-iron (BCC crystalline lattice) and γ-iron (FCC crystalline lattice) and an entire spectrum of carbide phases of the complex element composition (M23C6, M7C3, M3C and M3C2, where the symbol M stands for atoms of metallic elements Fe and Cr) is possible in this material under equilibrium conditions. The irradiation of steel with an intense pulsed electron beam is carried out. It is shown that electron-beam treatment of steel in the melting mode and the subsequent high-speed crystallization is accompanied by transformation of the surface layer structure, consisting of (1) the dissolution of particles of the initial carbide phase; (2) formation of dendritic crystallization cells of submicron (80...200 nm) sizes; (3) the repeated isolation of nanosized (10-15 nm) particles of the carbide phase.",

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AU - Vlasov, Yurii

AU - Kondratyuk, Alexey

PY - 2017/11/3

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N2 - A brief thermodynamic analysis of phase transformations taking place during heat treatment of the system Fe-Cr-C, which is the basis of high-chromium steel, is performed. It is shown that formation of both, solid solutions based on α-iron (BCC crystalline lattice) and γ-iron (FCC crystalline lattice) and an entire spectrum of carbide phases of the complex element composition (M23C6, M7C3, M3C and M3C2, where the symbol M stands for atoms of metallic elements Fe and Cr) is possible in this material under equilibrium conditions. The irradiation of steel with an intense pulsed electron beam is carried out. It is shown that electron-beam treatment of steel in the melting mode and the subsequent high-speed crystallization is accompanied by transformation of the surface layer structure, consisting of (1) the dissolution of particles of the initial carbide phase; (2) formation of dendritic crystallization cells of submicron (80...200 nm) sizes; (3) the repeated isolation of nanosized (10-15 nm) particles of the carbide phase.

AB - A brief thermodynamic analysis of phase transformations taking place during heat treatment of the system Fe-Cr-C, which is the basis of high-chromium steel, is performed. It is shown that formation of both, solid solutions based on α-iron (BCC crystalline lattice) and γ-iron (FCC crystalline lattice) and an entire spectrum of carbide phases of the complex element composition (M23C6, M7C3, M3C and M3C2, where the symbol M stands for atoms of metallic elements Fe and Cr) is possible in this material under equilibrium conditions. The irradiation of steel with an intense pulsed electron beam is carried out. It is shown that electron-beam treatment of steel in the melting mode and the subsequent high-speed crystallization is accompanied by transformation of the surface layer structure, consisting of (1) the dissolution of particles of the initial carbide phase; (2) formation of dendritic crystallization cells of submicron (80...200 nm) sizes; (3) the repeated isolation of nanosized (10-15 nm) particles of the carbide phase.

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