Surface-alloy formation in film–substrate melting by intense pulsed electron beam. Part 1

Abstract

The elemental and phase composition and defect structure of the surface layer on 40X steel is compared for two cases: (1) treatment by intense pulsed electron beam; (2) alloying by melting of a film–substrate (copper–40X steel) system under irradiation by intense electron pulses. The evolution of the structure in the steel’s surface layer is studied as a function of the energy density of the pulsed electron beam. Highspeed solidification and subsequent quenching of 40X steel leads to the formation of a modified layer (thickness up to 30 µm). Cell structure is formed in the surface layer; the mean cell size is increased from 240 to 500 nm with increase in energy density of the pulsed electron beam from 10 to 20 J/cm² (ten pulses). The treatment of a film–substrate (copper–40X steel) system by intense electron pulses is accompanied by the formation of surface alloy with quenched structure, hardened by copper nanoparticles.

Original language	English
Pages (from-to)	559-563
Number of pages	5
Journal	Steel in Translation
Volume	45
Issue number	8
DOIs	https://doi.org/10.3103/S0967091215080069
Publication status	Published - 1 Aug 2015

Keywords

40X steel
film–substrate system
intense pulsed electron beam
structure

ASJC Scopus subject areas

Materials Science(all)

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10.3103/S0967091215080069

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title = "Surface-alloy formation in film–substrate melting by intense pulsed electron beam. Part 1",

abstract = "The elemental and phase composition and defect structure of the surface layer on 40X steel is compared for two cases: (1) treatment by intense pulsed electron beam; (2) alloying by melting of a film–substrate (copper–40X steel) system under irradiation by intense electron pulses. The evolution of the structure in the steel{\textquoteright}s surface layer is studied as a function of the energy density of the pulsed electron beam. Highspeed solidification and subsequent quenching of 40X steel leads to the formation of a modified layer (thickness up to 30 µm). Cell structure is formed in the surface layer; the mean cell size is increased from 240 to 500 nm with increase in energy density of the pulsed electron beam from 10 to 20 J/cm2 (ten pulses). The treatment of a film–substrate (copper–40X steel) system by intense electron pulses is accompanied by the formation of surface alloy with quenched structure, hardened by copper nanoparticles.",

keywords = "40X steel, film–substrate system, intense pulsed electron beam, structure",

author = "Ivanov, {Yu F.} and Denisova, {Yu A.} and Teresov, {A. D.} and Krysina, {O. V.}",

year = "2015",

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T1 - Surface-alloy formation in film–substrate melting by intense pulsed electron beam. Part 1

AU - Ivanov, Yu F.

AU - Denisova, Yu A.

AU - Teresov, A. D.

AU - Krysina, O. V.

PY - 2015/8/1

Y1 - 2015/8/1

N2 - The elemental and phase composition and defect structure of the surface layer on 40X steel is compared for two cases: (1) treatment by intense pulsed electron beam; (2) alloying by melting of a film–substrate (copper–40X steel) system under irradiation by intense electron pulses. The evolution of the structure in the steel’s surface layer is studied as a function of the energy density of the pulsed electron beam. Highspeed solidification and subsequent quenching of 40X steel leads to the formation of a modified layer (thickness up to 30 µm). Cell structure is formed in the surface layer; the mean cell size is increased from 240 to 500 nm with increase in energy density of the pulsed electron beam from 10 to 20 J/cm2 (ten pulses). The treatment of a film–substrate (copper–40X steel) system by intense electron pulses is accompanied by the formation of surface alloy with quenched structure, hardened by copper nanoparticles.

AB - The elemental and phase composition and defect structure of the surface layer on 40X steel is compared for two cases: (1) treatment by intense pulsed electron beam; (2) alloying by melting of a film–substrate (copper–40X steel) system under irradiation by intense electron pulses. The evolution of the structure in the steel’s surface layer is studied as a function of the energy density of the pulsed electron beam. Highspeed solidification and subsequent quenching of 40X steel leads to the formation of a modified layer (thickness up to 30 µm). Cell structure is formed in the surface layer; the mean cell size is increased from 240 to 500 nm with increase in energy density of the pulsed electron beam from 10 to 20 J/cm2 (ten pulses). The treatment of a film–substrate (copper–40X steel) system by intense electron pulses is accompanied by the formation of surface alloy with quenched structure, hardened by copper nanoparticles.

KW - 40X steel

KW - film–substrate system

KW - intense pulsed electron beam

KW - structure

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