Particularities of spatial distribution of mechanisms of the high-current relativistic electron beams influence on aluminum alloys

С. Є. Донець Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine https://orcid.org/0000-0002-1258-1434
П. Р. Хородек Institute of Nuclear Physics of the Polish Academy of Sciences, Joint Institute for Nuclear Research http://orcid.org/0000-0002-8092-6561
В. Ф. Клепіков Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine https://orcid.org/0000-0003-0294-7022
А. Г. Кобець Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine, Joint Institute for Nuclear Research https://orcid.org/0000-0003-2185-4606
В. В. Литвиненко Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine https://orcid.org/0000-0003-4850-2555
Ю. Ф. Лонін NSC «Kharkiv Institute of Physics and Technology» National Academy of Sciences of Ukraine https://orcid.org/0000-0003-2601-5035
А. Г. Пономарьов NSC «Kharkiv Institute of Physics and Technology» National Academy of Sciences of Ukraine https://orcid.org/0000-0001-6914-6057
О. А. Старцев Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine https://orcid.org/0000-0002-0139-2187
В. Т. Уваров NSC «Kharkiv Institute of Physics and Technology» National Academy of Sciences of Ukraine https://orcid.org/0000-0002-3435-2077

Keywords: positron annihilation spectroscopy, high-current electron beams, defects, aluminum

Abstract

This paper presents a study of spatial distributions of modification mechanisms in the aluminum alloy 1933 after high-current relativistic electron beam irradiation. Having used optical and scanning electron microscopy, some characteristic areas were identified which correspond to the complete electron stopping path and the adjacent zone of intense thermal effect. A higher concentration of vacancies was observed at a more distant regions using the positron annihilation spectroscopy method. It was hypothesized that the effect was caused by the shock-acoustic impact.

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Author Biographies

С. Є. Донець, Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine

Scientist

П. Р. Хородек, Institute of Nuclear Physics of the Polish Academy of Sciences, Joint Institute for Nuclear Research

Scientist

В. Ф. Клепіков, Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine

Scientist

А. Г. Кобець, Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine, Joint Institute for Nuclear Research

Scientist

В. В. Литвиненко, Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine

Scientist

Ю. Ф. Лонін, NSC «Kharkiv Institute of Physics and Technology» National Academy of Sciences of Ukraine

Scientist

А. Г. Пономарьов, NSC «Kharkiv Institute of Physics and Technology» National Academy of Sciences of Ukraine

Scientist

О. А. Старцев, Institute of Electrophysics & Radiation Technologies National Academy of Sciences of Ukraine

Scientist

В. Т. Уваров, NSC «Kharkiv Institute of Physics and Technology» National Academy of Sciences of Ukraine

Scientist

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