SEM and SPM investigations of the surface of antifriction aluminium alloys of the system Al-5%Si-4%Cu-6%Sn

Shcherbakova, O.O.; Muravyeva, T.I.; Zagorskiy, D.L.; Shkalei, I.V.; Lapitskaya, V.A.; Kuznetsova, T.A.

Информация о цитировании статьи получена из Scopus
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Дата последнего поиска статьи во внешних источниках: 4 мая 2020 г.

Авторы: Shcherbakova O.O., Muravyeva T.I., Zagorskiy D.L., Shkalei I.V., Lapitskaya V.A., Kuznetsova T.A.
Журнал: IOP Conference Series: Materials Science and Engineering
Том: 699
Год издания: 2019
Издательство: -
Местоположение издательства: Krakow
Первая страница: 012048
DOI: 10.1088/1757-899X/699/1/012048
Аннотация: Two antifriction alloys based on the Al–5%Si–4%Cu–4%Sn system with the addition of bismuth, lead, and cadmium were investigated. The effect of these elements on the change in surface topography and the tribological properties of the samples was studied. Tribological tests simulating the work ofthe friction unit were carried out using“shoe-roller” scheme. After heat treatment in both alloys, the phase components acquireda globular shape. Mass transfer between the shoe and the roller ledto the formation of a film of secondary structures of variable thickness on the roller surface. SEM and EBSD allowed observinga near-surface layer (50-100 μm thick) with a modified structure and grain shape. SPM made it possible to evaluate the difference in the mechanical properties of the surface layer at thenanoscale level. It wasshown that the material wasstrengthened in the process of friction.
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SEM and SPM investigations of the surface of antifriction aluminium alloys of the system Al-5%Si-4%Cu-6%Snстатья

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