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The influence of heat treatment on structure and properties of layered metal-carbon nanocomposites

Keywords:

D.G. Piliptsov – Ph.D. (Eng.), Associate Professor, F. Scorina Gomel State University; International Chinese-Belarusian Scientific Laboratory by Vacuum-Plasma Technologies,
E-mail: pdg_@mail.ru
А.V. Rogachev – Corresponding Member of NASB, Dr.Sc. (Chem.), Professor, Director of the Research Physico-Chemical Institute, F. Scorina Gomel State University; International Chinese-Belarusian Scientific Laboratory by Va-cuum-Plasma Technologies
E-mail: rogachevav @mail.ru
А.S. Rudenkov – Ph.D. (Eng.), Senior Research Scientist, F. Scorina Gomel State University; International Chinese-Belarusian Scientific Laboratory by Vacuum-Plasma Technologies
E-mail: arudenkov05@gmail.com
Е.А. Kulech – Junior Researcher Scientist, F. Scorina Gomel State University; International Chinese-Belarusian Scien-tific Laboratory by Vacuum-Plasma Technologies
E-mail: katrinamillers29@mail.ru
P.A. Luchnikov – Senior Researcher, Moscow Technological University
Е-mail: xamdex@gmail.com


Structural and physico-mechanical properties of 300…500 nm thick metal-carbon film layered nanocomposites deposited in the impulse arc discharge carbon plasma are considered. Pre - thermal annealing of films in the air at temperatures of 200 and 400 °C contributes to the graphitization of the carbon layer and an increase in the size of graphite clusters in the nanocomposite, which reduces it’s hardness. As the annealing temperature increases, the metal atoms in the layered structure of the nanocomposite diffuse into the amorphous carbon layer and are embedded in the pores between Csp2 clusters. The level of internal mechanical stresses in the multilayer structure containing copper layers is lower than that of single-layer carbon coatings and coatings containing titanium layers. Deposition of metal sublayer on the substrate surface with a thickness of several tens of nanometers reduces the internal stresses in the film layer and increases adhesion.

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