Выпуски МФиНТ »  Том 44, выпуск 4

Surface Morphology and Properties of the Surface Layer of AA6111 Aluminium Alloy Treated by a Pulsed Beam of Relativistic Electrons

V. V. Bryukhovetsky$^{1}$, V. F. Klepikov$^{1}$, V. V. Lytvynenko$^{1}$, D. Ye. Myla$^{1,2}$, S. I. Petrushenko$^{2}$, V. A. Bychko$^{3}$, Yu. F. Lonin$^{4}$, A. H. Ponomarev$^{4}$

$^{1}$Институт электрофизики и радиационных технологий НАН Украины, ул. Чернышевского, 28, 61002 Харьков, Украина
$^{2}$Харьковский национальный университет имени В. Н. Каразина, пл. Свободы, 4, 61022 Харьков, Украина
$^{3}$Национальный университет «Черниговская политехника», ул. Шевченко, 95, 14035 Чернигов, Украина
$^{4}$Национальный научный центр «Харьковский физико-технический институт» НАН Украины, ул. Академическая, 1, 61108 Харьков, Украина

Получена: 25.01.2022. Скачать: PDF

The surface morphology and properties of the microstructure of the surface layer of aluminium alloy 6111 irradiated by a pulsed beam of relativistic electrons are studied. Intense thermal heating, which is created by the electron beam, melts the surface layer of the alloy. A surface layer with a modified sub-microcrystalline grain microstructure is formed as a result of the ultra-fast melt solidification. The effect of the pulsed electron beam is accompanied by the formation of a developed surface relief with micro-cracks and craters. The surface profile has a wavelike type with hemispherical protrusions. The strength and plasticity of the surface layer modified by the pulsed electron beam are determined according to the micro-hardness data.

Ключевые слова: pulsed beam of relativistic electrons, aluminium alloy, micro-cracks, craters.

URL: https://mfint.imp.kiev.ua/ru/abstract/v44/i04/0515.html

PACS: 29.25.Bx, 61.46.−w, 61.80.Fe, 62.20.−x, 68.37.Hk

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