| Title of the article | EFFECT OF VACUUM-ARC ANNEALING OF TiN COATINGS ON THEIR PEEL LOAD AND RESISTANCE TO FRETTING WEAR |
| Authors |
KUSHNEROU Andrey V., Researcher of the Center of Structural Research and Tribomechanical Testing of Materials and Mechanical Engineering Products of the R&D Center “Mechanical Engineering Technologies and Processing Equipment”, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it. BELYANKO Yuriy V., Technician of the Center of Structural Research and Tribomechanical Testing of Materials and Mechanical Engineering Products of the R&D Center “Mechanical Engineering Technologies and Processing Equipment”, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it. KONSTANTINOV Stanislav V., Ph. D. in Phys. and Math., Assoc. Prof., Leading Researcher of the Elionics Laboratory, A.N. Sevchenko Institute of Applied Physical Problems of Belarusian State University, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it. KONSTANTINOV Valeriy M., D. Sc. in Eng., Prof., Head of the Department “Materials Science in Mechanical Engineering”, Belarusian National Technical University, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it. SHOUKAVAYA Tatyana V., Ph. D. in Phys. and Math., Assoc. Prof., Senior Researcher, Scientific and Practical Center of the NAS of Belarus for Materials Science, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it. |
| In the section | MECHANICAL ENGINEERING MATERIALS AND TECHNOLOGIES |
| Year | 2026 |
| Issue | 1(74) |
| Pages | 75–80 |
| Type of article | RAR |
| Index UDK | 620.178.16, 621.793, 621.891 |
| DOI | https://doi.org/10.46864/1995-0470-2026-1-74-75-80 |
| Abstract | The effect of vacuum-arc annealing of TiN coating on its wear resistance under fretting conditions and peel load is studied. It is found that the coating in the initial state contains TiN with a face-centered cubic lattice and Ti with a hexagonal close-packed lattice, and its phase composition does not change during annealing at 300–500 °C. After annealing the coating at 550 ℃, TiN, Ti and TiO2 are recorded in its phase composition. It is shown that annealing the coating at 350–400 ℃ contributes to an increase in fretting wear resistance by 10 % and an increase in the peel load. As a result of annealing at 450–500 ℃, the peel load remains at a high level, and after annealing at 550 ℃, it drops sharply. At the same time, the wear resistance of the coatings in the annealing temperature range of 450–550 ℃ decreases by 20 %. It is concluded that the increase in the coating peeling load after annealing at 350–500 ℃ is due to the formation of a film of lower titanium oxides on the coating surface, which act as a solid lubricant and prevent the nucleation of dislocations, as well as the appearance of microcracks at the coating-substrate boundary during scratch testing. The reduction of peel load as a result of annealing at 550℃ and wear resistance after annealing at 450–550 ℃ is caused by softening of the coating. |
| Keywords | TiN coatings, vacuum-arc deposition, annealing, nanohardness, peel load, wear resistance, fretting |
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