Enhancing Microhardness and Corrosion Resistance of Anodic Oxides Grown on Hypoeutectic Al–Si Alloys Pretreated by Low-Energy High-Current Electron Beams; Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques; Vol. 18, iss. 5

Enhancing Microhardness and Corrosion Resistance of Anodic Oxides Grown on Hypoeutectic Al–Si Alloys Pretreated by Low-Energy High-Current Electron Beams; Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques; Vol. 18, iss. 5

Bibliographic Details
Parent link:	Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques.— .— New York: Springer Science+Business Media LLC Vol. 18, iss. 5.— 2024.— P. 1135-1145
Other Authors:	Huspek A. L. Lucchini, Akdogan B., Akhmadeev Yu. Kh. Yury Khalyafovich, Petrikova E. A. Elizaveta Alekseevna, Ivanov Yu. F. Yury Fedorovich, Moskvin P. V. Pavel Vladimirovich, Koval N. N. Nikolay Nikolaevich, Bestetti M. Massimiliano
Summary:	Title screen Anodic oxidation is widely employed in industry to impart high mechanical properties and improve the corrosion resistance of Al–Si alloys. However, compared to pure Al, the high content of Si prevents the growth of a uniform anodic layer, leading to the formation of cracks and porosities within the oxide. In the present work, low-energy high-current electron beam is used as pretreatment of a hypoeutectic Al–Si alloy to enhance the properties of the anodic oxide. Electron beam modified samples showed a fine and homogenous dispersion of Si in the α-matrix, together with a content reduction of Si in the treated layer. Hard anodic oxides grown on electron beam pre-treated alloys exhibited a higher microhardness, increased by 65%, and a lower corrosion current density, decreased by 94%. Cross-sectional SEM morphology and EDX elemental maps showed less defective anodic oxides, in contrast with oxide formed on as-cast hypoeutectic Al–Si alloys Текстовый файл AM_Agreement
Language:	English
Published:	2024
Subjects:	hypoeutectic Al–Si alloy high-current low-energy electron beam surface modification hard anodic oxidation corrosion resistance microhardness электронный ресурс труды учёных ТПУ
Online Access:	https://doi.org/10.1134/S1027451024700940
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=681289

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