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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. Bryukhovetsky1, V. F. Klepikov1, V. V. Lytvynenko1, D. Ye. Myla1,2, S. I. Petrushenko2, V. A. Bychko3, Yu. F. Lonin4, A. H. Ponomarev4

1Институт электрофизики и радиационных технологий НАН Украины, ул. Чернышевского, 28, 61002 Харьков, Украина
2Харьковский национальный университет имени В. Н. Каразина, пл. Свободы, 4, 61022 Харьков, Украина
3Национальный университет «Черниговская политехника», ул. Шевченко, 95, 14035 Чернигов, Украина
4Национальный 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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