[논문]Matrix coatings based on anodic alumina with carbon nanostructures in the pores

Gorokh, G.G.; Pashechko, M.I.; Borc, J.T.; Lozovenko, A.A.; Kashko, I.A.; Latos, A.I.

doi:10.1016/j.apsusc.2017.10.117

Matrix coatings based on anodic alumina with carbon nanostructures in the pores

Applied surface science, v.433, 2018년, pp.829 - 835

Gorokh, G.G. (Belarusian State University of Informatics and Radioelectronics, Minsk, 220013, Belarus) , Pashechko, M.I. (Lublin University of Technology, Lublin, 20-618, Poland) , Borc, J.T. (Lublin University of Technology, Lublin, 20-618, Poland) , Lozovenko, A.A. (Belarusian State University of Informatics and Radioelectronics, Minsk, 220013, Belarus) , Kashko, I.A. (Belarusian State University of Informatics and Radioelectronics, Minsk, 220013, Belarus) , Latos, A.I. (Lublin University of Technology, Lublin, 20-618, Poland)

Abstract ▼ AI-Helper

Abstract The nanoporous anodic alumina matrixes thickness of 1.5mm and pore sizes of 45, 90 and 145nm were formed on Si substrates. The tubular carbon nanostructures were synthesized into the matrixes pores by pyrolysis of fluid hydrocarbon xylene with 1% ferrocene. The structure and composition of the matrix coatings were examined by scanning electron microscopy, Auger analysis and Raman spectroscopy. The carbon nanostructures completely filled the pores of templates and uniformly covered the tops. The structure of carbon nanostructures corresponded to the structure of multiwall carbon nanotubes. Investigations of mechanical and tribological properties of nanostructured oxide-carbon composite performed by scratching and nanoindentation showed nonlinear dependencies of the frictional force, penetration depth of the cantilever, hardness and plane strain modulus on the load. It was found that the microhardness of the samples increases with reduced of alumina pore diameter, and the penetration depth of the cantilever into the film grows with carbon nanostructures size. The results showed the high mechanical strength of nanostructured oxide-carbon composite. Highlights The method for forming of matrix strengthening coatings is proposed. Tubular carbon nanostructures embedded in anodic alumina pores increase its hardness. Сarbon nanostructures sizes influence the elastic modulus and microhardness. Reducing of nanostructures diameters improves the mechanical properties. Graphical abstract [DISPLAY OMISSION]

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Matrix coatings based on anodic alumina with carbon nanostructures in the pores

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