Structural Engineering of the Vacuum Arc ZrN/CrN Multilayer Coatings
| Authors | O.V. Sobol´1 , A.A. Andreev2 , V.F. Gorban´3, A.A. Meylekhov1 , Н.О. Postelnyk1, V.A. Stolbovoy2 |
| Affiliations |
1 National Technical University «Kharkiv Polytechnic Institute», 21, Frunze St., 61002 Kharkiv, Ukraine 2 National Science Center Kharkov Institute of Physics and Technology, 1, Akademicheskaya St., 61108 Kharkov, Ukraine 3 Frantsevich Institute for Problems of Materials Science, 3, Krzhizhanovsky St., 03680 Kyiv, Ukraine |
| Е-mail | sool@kpi.kharkov.ua |
| Issue | Volume 8, Year 2016, Number 1 |
| Dates | Received 04 February 2016; revised manuscript received 02 March 2016; published online 15 March 2016 |
| Citation | O.V. Sobol´, A.A. Andreev, V.F. Gorban´, et al., J. Nano- Electron. Phys. 8 No 1, 01042 (2016) |
| DOI | 10.21272/jnep.8(1).01042 |
| PACS Number(s) | 81.07.Bc, 61.05.сp,68.55.jm, 61.82.Rx |
| Keywords | Multilayer coating, ZrN/CrN, Layer thickness, Implantation (7) , Mixing (3) , Structure (105) , Microstrain, Hardness (12) . |
| Annotation |
For multilayer system ZrN/CrN with a large difference in the atomic weights and radiation-induced defect formation of metal components, analyzed the influence of the layer thickness (in the nanometer range) and supplied during the deposition negative bias potential (– Us) on the structure and hardness of the composite vacuum arc coating. It was established that at the layer thickness less than 50 nm supply – Us leads to an increase of microstrain in the CrN layers under bombardment by ions of Zr with a large atomic radius and the mass, and the strain relaxation is observed in layers of ZrN. The observed effects are explained by an increase in energy deposited ionized particles when applying – Us, which determines the radiation-induced mixing at interphase boundaries of layers and leads to a fall hardness. The highest hardness 42 GPa in the ZrN/CrN system is achieved upon deposition of thin (20 nm) layers in the absence of – Us. |
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List of References |
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