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Mechanical Properties of Zn-Ni-SiO_2 Coating Deposited under X-ray Irradiation

100%
Poliak N., Anishchik V., Valko N., Karwat C., Kozak C., Opielak M.
Acta Physica Polonica A
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2014
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vol. 125
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issue 6
1415-1417
EN
Using X-ray microanalysis and scanning electron microscopy Zn-Ni-SiO_2 plating containing SiO_2 nanoparticles were studied. It was found that X-ray irradiation of the electrolyte leads to the increased Ni concentration in Zn-Ni-SiO_2(X) films and the grain size is also increasing (the grain size is twice that in the unirradiated case). A thickness of Zn-Ni-SiO_2(X) plating is 20 μm and a thickness of the Zn-Ni-SiO_2 plating is about 15 μm. The surface morphology was studied using AFM method. Increasing Ni concentration and Ni_5Zn_{21} phase due to X-Ray irradiation of the electrolyte leading to the improved mechanical properties of the coating.
2
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Formation of Perspective Composite Coatings by Ion-Beam Assisted Deposition

100%
Komarov F., Pilko V., Pogrebnjak A., Karvat C., Kiszczak K., Kozak C.
Acta Physica Polonica A
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2013
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vol. 123
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issue 5
800-803
EN
TiAlN, TiSiN, and TiCrN composite layers were deposited by magnetron sputtering and sliding - angle ion beam sputtering of the inner surface of hollow truncated cones of different compositions. The composition of both type coatings and component depth distributions were studied by the Rutherford backscattering spectrometry. The structural and phase analyses of the deposited films were performed by transmission electron microscopy and diffraction. Microhardness, wear resistance and friction coefficient of the coatings were also measured and discussed in the relationship with the structure and composition. Microhardness tests showed that the registered data varied in the range 10 to 50 GPa, depending on composition and concentration of components. The best wear protection results from the magnetron deposited Ti-Al-N systems in a narrow range of component concentrations. A minimal friction coefficient was revealed for the magnetron sputtered layers.
3
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Formation and Characterization of Nanostructured Composite Coatings Based on the TiN Phase

100%
Komarov F., Konstantinov S., Pogrebnjak A., Pilko V., Kozak C., Opielak M.
Acta Physica Polonica A
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2014
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vol. 125
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issue 6
1292-1296
EN
Nanostructured thin-film coatings based on titanium nitride, doped with silicon, chromium and aluminium were the object of this study. The creation of a smooth transition layer was carried out by the changing of a supplying nitrogen flow to the vacuum chamber during the application. TiSiN, TiCrN and TiAlN coatings were deposited. The studies of the structure, elemental and phase composition of the coatings were carried out. Also, the performance of coatings was investigated. The results can be used in today's technology, such as mechanical engineering.
4
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Effect of Cu Negative Ion Implantation on Physical Properties of Zn_{1-x}Mn_xTe Films

84%
Pogrebnjak A., Shypylenko A., Amekura H., Takeda Y., Opanasyuk A., Kurbatov D., Kolotova I., Klymov O., Kozak C.
Acta Physica Polonica A
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2013
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vol. 123
|
issue 5
939-942
EN
The paper deals with the investigations of structural properties of Zn_{1-x}Mn_xTe films, which were fabricated under various deposition conditions using the thermal evaporation method in a closed volume. The surface morphology of the samples was studied, the phase analysis of their structures was performed, the elemental analysis of the films and the crystal lattice constant were investigated. The texture perfection of the films before and after copper ion implantation was evaluated.
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