Dr. Oleksandr Bondar
Degree:
Ph.D. in Technical Sciences, Podgorny Institute for Mechanical Engineering Problems National Academy of Sciences of Ukraine, Kharkiv, Ukraine, 2009
Research interests:
- Multielement nanocomposite coatings on the basis of nitrides, borides and carbides of high-entropy alloys (HEA) with enhanced physical-mechanical and tribological properties
- Multilayered nanostructured coatings on the basis of nitrides or carbides of transition metals with enhanced physical-mechanical and tribological properties
- Surface treatment (annealing at high temperatures, high fluence ion implantation) of mentioned above coatings in order to improve their properties
Patents / patent applications:
- Patent of Ukraine on utility model No 110987 “Tool or product with multilayered nanoscale coating” (2016)
Selected publications:
- Pogrebnjak A.D., Bondar O.V., Borba S.O., Abadias G., Konarski P., Plotnikov S.V., Beresnev V.M., Kassenova L.G., Drodziel P. Nanostructured multielement (TiHfZrNbVTa)N coatings before and after implantation of N+ ions (1018 cm−2): Their structure and mechanical properties. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 385, 2016, pp. 74-83
- A.D. Pogrebnjak, I.V. Yakushchenko, O.V. Bondar, V.M. Beresnev, K. Oyoshi, O.M. Ivasishin, H. Amekura, Y. Takeda, M. Opielak, C. Kozak. Irradiation resistance, microstructure and mechanical properties of nanostructured (TiZrHfVNbTa)N coatings. Journal of Alloys and Compounds, V. 679, 2016, pp. 155–163
- Pogrebnjak A.D., Bondar O.V., Abadias G., Ivashchenko V., Sobol O.V., Jurga S., Coy E. Structural and mechanical properties of NbN and Nb-Si-N films: Experiment and molecular dynamics simulations. Ceramics International, Vol. 42, Is. 10, 2016, pp. 11743 – 11756
- Pogrebnjak A.D., Bondar O.V., Azarenkov N.A., Beresnev V.M., Sobol O. V., Erdybaeva N.K. Nanocoatings: Technology of Fabrication of Nanostructure (Nanocomposite) Coatings with High Physical and Mechanical Properties Using C-PVD. United Kingdom. CRC Concise Encyclopedia of Nanotechnology, 2015, pp. 624-652
- Pogrebnjak A.D., Bratushka S.N., Bondar O.V., Alontseva D.L., Plotnikov S.V., Ivasishin O.M. Nanocoatings: Nanomaterials and Nanostructures Coatings Fabrication Using Detonation and Plasma Detonation Techniques. United Kingdom. CRC Concise Encyclopedia of Nanotechnology, 2015, pp. 600-623
- Pogrebnjak A.D., Eyidi D., Abadias G., Bondar O.V., Beresnev V.M., Sobol O.V. Structure and properties of arc evaporated nanoscale TiN/MoN multilayered systems. International Journal of Refractory Metals and Hard Materials, Vol. 48, 2015, pp. 222 – 228
- Pogrebnjak A.D., Yakushchenko I.V., Bagdasaryan A.A., Bondar O.V., Krause-Rehberg R., Abadias G., Chartier P., Oyoshi K., Takeda Y., Beresnev V.M., Sobol O.V. Microstructure, physical and chemical properties of nanostructured (Ti-Hf-Zr-V-Nb)N coatings under different deposition conditions. Materials Chemistry and Physics, Vol. 147 (3), 2014, pp. 1079 – 1091
