SwePub - sökning: WFRF:(Kryshtal O.)

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1.	Kryshtal, O., et al. (författare) Microstructure and phase composition of the Ag-Al film wear track : Through-thickness characterization by advanced electron microscopy 2019 Ingår i: Archives of Metallurgy and Materials. - : POLSKA AKAD NAUK, POLISH ACAD SCIENCES, INST METALL & MATER SCI PAS. - 1733-3490 .- 2300-1909. ; 64:1, s. 251-256 Tidskriftsartikel (refereegranskat)abstract Analytical transmission electron microscopy has been applied to characterize the microstructure, phase and chemical composition of the Ag-Al wear track throughout its thickness down to the atomic level. Microscopy findings have been correlated with Ag-Al film tribological properties to understand the effect of the hexagonal solid solution phase on the tribological properties of this film. Ag-25Al (at.%) films have been produced by simultaneous magnetron sputtering of components in Ar atmosphere under 1 mTorr pressure and subjected to pin-on-disc tribological tests. It has been shown that hcp phase with (001) planes aligned parallel to the film surface dominates both in as-deposited and in tribofilm areas of the Ag-Al alloy film. Possible mechanisms of reduced friction in easily oxidized Ag-Al system are discussed and the mechanism based on readily shearing basal planes of the hcp phase is considered as the most probable one.

Kryshtal, O., et al. (författare)
Microstructure and phase composition of the Ag-Al film wear track : Through-thickness characterization by advanced electron microscopy
2019
Ingår i: Archives of Metallurgy and Materials. - : POLSKA AKAD NAUK, POLISH ACAD SCIENCES, INST METALL & MATER SCI PAS. - 1733-3490 .- 2300-1909. ; 64:1, s. 251-256
Tidskriftsartikel (refereegranskat)abstract
- Analytical transmission electron microscopy has been applied to characterize the microstructure, phase and chemical composition of the Ag-Al wear track throughout its thickness down to the atomic level. Microscopy findings have been correlated with Ag-Al film tribological properties to understand the effect of the hexagonal solid solution phase on the tribological properties of this film. Ag-25Al (at.%) films have been produced by simultaneous magnetron sputtering of components in Ar atmosphere under 1 mTorr pressure and subjected to pin-on-disc tribological tests. It has been shown that hcp phase with (001) planes aligned parallel to the film surface dominates both in as-deposited and in tribofilm areas of the Ag-Al alloy film. Possible mechanisms of reduced friction in easily oxidized Ag-Al system are discussed and the mechanism based on readily shearing basal planes of the hcp phase is considered as the most probable one.

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