FORMATION OF SURFACE ALLOYS AT MELTING OF FILM-SUBSTRATE SYSTEM BY HIGH-INTENSITY PULSED ELECTRON BEAM. REPORT 1
https://doi.org/10.17073/0368-0797-2015-8-583-88
Abstract
Abstract. The paper examines the results of the comparative analysis of the elemental and phase composition, defective substructure of a surface layer of 40Cr steel, subjected, fi rstly, to the irradiation with highintensity pulsed electron beam and, secondly, to the alloying by means of melting of fi lm (Cu) – substrate (40Cr steel) system, when irradiating with high-intensity pulsed electron beam. Evolution regularities of the structure of steel surface layer have been revealed in dependence on electron beam energy density. It has been shown that high-speed crystallization and the subsequent hardening of 40Cr steel leads to the formation of the modifi ed layer with the thickness up to 30 μm. The formation of cell structure in a surface layer has been revealed, average cell sizes increase from 240 nm to 500 nm at the growth of electron beam energy density from 10 J/cm2 to 20 J/cm2 (N = 10 imp.). The irradiation with high-intensity pulsed electron beam of fi lm (Cu) – substrate (40Cr steel) system is accompanied by the formation of a surface alloy with a hardening structure, hardened with nanodimensional copper particle extractions.
Supporting agencies: The research was performed at the expense of the grant of Russian Science Foundation (project no. 14-29-00091).
About the Authors
Yu. F. Ivanov
Institute of High Current Electronics of SB RAS; National Research Tomsk State University
Russian Federation
Russian Federation
Dr. Sci. (Phys.-math.), Leading Researcher, Professor
2/3, Akademicheskii ave., Tomsk, 634055, Russia
36, Lenina ave., Tomsk, 634050, Russia
Yu. A. Denisova
Institute of High Current Electronics of SB RAS; National Research Tomsk State University
Russian Federation
Russian Federation
Cand. Sci. (Phys.-math.), Junior Researcher of the Laboratory of Plasma Emission Electronics
2/3, Akademicheskii ave., Tomsk, 634055, Russia
36, Lenina ave., Tomsk, 634050, Russia
A. D. Teresov
Institute of High Current Electronics of SB RAS; National Research Tomsk State University
Russian Federation
Russian Federation
Leading Electronic Engineer of the Laboratory Plasma Emission Electronics
2/3, Akademicheskii ave., Tomsk, 634055, Russia
36, Lenina ave., Tomsk, 634050, Russia
O. V. Krysina
Institute of High Current Electronics of SB RAS; National Research Tomsk State University
Russian Federation
Russian Federation
Junior Researcher of the Laboratory Plasma Emission Electronics
2/3, Akademicheskii ave., Tomsk, 634055, Russia
36, Lenina ave., Tomsk, 634050, Russia
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Review
For citations:
Ivanov Yu.F., Denisova Yu.A., Teresov A.D., Krysina O.V. FORMATION OF SURFACE ALLOYS AT MELTING OF FILM-SUBSTRATE SYSTEM BY HIGH-INTENSITY PULSED ELECTRON BEAM. REPORT 1. Izvestiya. Ferrous Metallurgy. 2015;58(8):583-588. (In Russ.) https://doi.org/10.17073/0368-0797-2015-8-583-88
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