Microstructures and Tribological Properties of Al-Cu-Fe quasicrystalline plasma sprayed coatings

7th International Scientific and Research Conference "Topical Issues in Aeronautics and Astronautics"

航空航天工程

Lepeshev, A.A.^1,2 ; Rozhkova, E.A.^1 ; Karpov, I.V.^1,2 ; Ushakov, A.V.^1,2 ; Fedorov, L.Yu.^1,2 ; Dorozhkina, E.A.^3 ; Karpova, O.N.^3

Siberian Federal University, Krasnoyarsk

660041, Russia^1

Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk

660036, Russia^2

Reshetnev Siberian State Aerospace University, Krasnoyarsk

660014, Russia^3

关键词: Competitive interactions;    Icosahedral phase;    Plasma-sprayed coatings;    Quasicrystalline;    Quasicrystalline coatings;    Quasicrystalline phase;    Tribological characteristics;    Tribological properties;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/155/1/012014/pdf
DOI  :  10.1088/1757-899X/155/1/012014

学科分类：航空航天科学

来源: IOP

【 摘 要 】

The physical, mechanical, and tribological properties of quasicrystalline coatings based on the Al65Cu23Fe12alloy prepared by plasma spraying have been investigated. The specific features of the phase formation due to the competitive interactions of the icosahedral Ψ and cubic β phases have been elucidated. A correlation between the microhardness and the content of the icosahedral phase in the coating has been determined. The decisive role of the quasicrystalline phase in the formation of high tribological characteristics of the coatings has been revealed and tested.