Influence of ion nitriding on the phase composition, structure and properties of carbon coatings
The basic patterns of change in the properties, phase composition and mechanical properties of single-component and doped metal (Cr, Ti, Cu) carbon coatings, subjected to ion nitriding are determined. It is shown that ion nitriding is in the surface layers of increasing the share of sp2-phase with a decrease in the size of the clusters. When the ion nitriding carbonaceous coatings established education CNx compounds with predominant content of N–Csp2 bonds. Single-carbon coating after ion nitriding are characterized by a more dispersed structure, high content N–Csp3 bonds, in comparison with the structure and composition of the coating formed under ion assisting or in the presence of molecular nitrogen.
Keywords: carbon coatings, alloying, nitriding, phase composition, morphology, hardness, friction.
A.S. Rudenkov – Department of Physics, F. Scorina Gomel State University
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A.V. Rogachev – Rector of F. Scorina Gomel State University
D.G. Piliptsov – Department of Physics, F. Scorina Gomel State University
N.N. Fedosenko – Department of Physics, F. Scorina Gomel State University
Xiaohong Jiang – Nanjing University of Science and Technology