Head of Department, Corresponding Member of the National Academy of Sciences of Ukraine, Doctor of Technical Sciences, Professor,
Winner of the State Prize of Ukraine in Science and Technology
Phone: (044) 432-95-44
Scientific directions
- Conducting research on fundamental and applied problems of sintering processes of metal and ceramic powder mixtures, composite diamond-containing and ceramic materials, computer modeling of their consolidation processes;
- development of structurally sensitive models for predicting thermoelastic behavior of structurally inhomogeneous (including superhard composite) materials;
- study of physical and mechanical properties of composite diamond-containing materials;
- development of new technologies for sintering diamond-containing composites (electrosintering under pressure, sintering in high-pressure apparatus, explosion sintering);
- development of designs of new rock-breaking tools (diamond wire saw, discrete grinders with replaceable elements and diamond crowns with internal cooling) and technology for forming diamond-hard alloy granules;
- development of tool designs and technology of processes for welding, surfacing and modification of the structure of metals and alloys by friction with mixing (ZTP);
- development of a means of high-pressure electrosintering of ceramics, which is used to manufacture ceramic bearing elements;
- development of a model of destruction of armored ceramic obstacles during dynamic interaction with metal rods, on the basis of which all ceramic materials are ranked in terms of the effectiveness of their use in armored purposes, as well as the development of new designs of multilayer and adaptive ceramic armored blocks.
The department operates Laboratory 9/2. Drilling and rock-breaking tools
Completed projects
2015 −2017
№DR 0115U006576 “Development of processes of electrosintering of ceramic materials based on non-conductive refractory compounds”. Order of the NAS of Ukraine.
2017−2018
No. DR 0117U005110 “Object-oriented computational models and software tools for effective prediction of elastic and phonon properties of three-dimensional nanocomposites based on the multipole expansion method”. Order of the STCU.
2019 −2021
No. DR 0117U000391 “Study of the regularities of thermobaric sintering of heat-resistant diamond-containing composites with additives of multicomponent carbonates and development of highly efficient drilling tools based on them”. Order of the NAS of Ukraine.
2019 – 2021
No. DR 0119U100591 “Establishment of wear mechanisms of composite diamond-containing materials on metal bonds during rock fracture”. Order of the NAS of Ukraine.
2020 – 2022
№DR 0118U003296 “Study of the influence of electrosintering parameters under pressure on the wear resistance of highly loaded wear-resistant ceramic friction pairs”. Order of the National Academy of Sciences of Ukraine.
2020−2022
№DR 0120U100105 “Development of composites based on diamond and iron and nickel compounds with high wear-resistant characteristics for rock-breaking tools based on it”. Order of the National Academy of Sciences of Ukraine.
2022−2024
№DR 0120U100118 “Development of scientific and technological foundations for the creation of highly loaded ceramic friction pairs for the aerospace industry”. Order of the National Academy of Sciences of Ukraine.
Latest publications
1. Volodymyr I. Kushch, Roberta Springhetti, Sergii V. Shmegera. Effective permittivity of composite elastomer with account of electric conductivity of phases and imperfect interface, International Journal of Engineering Science, Volume 123, 2018, Pages 51-61, https://doi.org/10.1016/j.ijengsci.2017.11.016
2. V.I. Kushch. Elastic fields and effective stiffness tensor of spheroidal particle composite with imperfect interface, Mechanics of Materials, Volume 124, 2018, Pages 45-54, https://doi.org/10.1016/j.mechmat.2018.06.001
3. V.I. Kushch. Stress field and effective elastic moduli of periodic spheroidal particle composite with Gurtin-Murdoch interface, International Journal of Engineering Science, Volume 132, 2018, Pages 79-96, https://doi.org/10.1016/j.ijengsci.2018.08.001
4. Volodymyr I. Kushch. Elastic interaction between ellipsoidal inhomogeneities with imperfect interface and effective stiffness of particulate composite, International Journal of Engineering Science, Volume 142, 2019, Pages 94-105, https://doi.org/10.1016/j.ijengsci.2019.06.001
5. Stelmakh, A.U., Kostunik, R.E., Radzievskiy, V.A. et al. The Tribology of Ceramics–Steel Hybrid Sliding Friction Pairs under Different Greasing Conditions. J. Frict. Wear 41, 183–189 (2020). https://doi.org/10.3103/S1068366620020154
6. Dutka, V.A., Maystrenko, A.L., Borymskyi, O.I. et al. Modeling the Temperature Field in a High-Pressure Apparatus during the Sintering of Large-Sized Products Based on Boron Carbide. J. Superhard Mater. 42, 240–250 (2020). https://doi.org/10.3103/S1063457620040048
7. Stelmakh, A.U., Kostunik, R.E., Radzievskiy, V.A. et al. Rolling Friction of Hybrid Ceramic–Steel Pairs under Different Lubrication Conditions. J. Frict. Wear 41, 432–442 (2020). https://doi.org/10.3103/S1068366620050177
8. Vasylchuk, A.S., Maystrenko, A.L., Petasyuk, G.A. et al. Wear of Diamond Composite Materials during Rock Destruction. J. Frict. Wear 42, 454–460 (2021). https://doi.org/10.3103/S1068366621060131
9. V.A. Mechnik, N.A. Bondarenko, S.N. Dub, V.M. Kolodnitskyi, Yu V. Nesterenko, N.O. Kuzin, I.M. Zakiev, E.S. Gevorkyan. A study of microstructure of Fe-Cu-Ni-Sn and Fe-Cu-Ni-Sn-VN metal matrix for diamond containing composites, Materials Characterization, Volume 146, 2018, Pages 209-216, https://doi.org/10.1016/j.matchar.2018.10.002
10. V.A. Mechnik, M.O. Bondarenko, V.M. Kolodnitskyi, V.I. Zakiev, I.M. Zakiev, M.О. Kuzin, E.S. Gevorkyan. Influence of diamond–matrix transition zone structure on mechanical properties and wear of sintered diamond-containing composites based on Fe–Cu–Ni–Sn matrix with varying CrB2 content, International Journal of Refractory Metals and Hard Materials, Volume 100, 2021, 105655, https://doi.org/10.1016/j.ijrmhm.2021.105655
11. Mamalis, A.; Mechnik, V.; Morozow, D.; Ratov, B.; Kolodnitskyi, V.; Samociuk, W.; Bondarenko, N. Properties of Cutting Tool Composite Material Diamond–(Fe–Ni–Cu–Sn) Reinforced with Nano-VN. Machines 2022, 10, 410. https://doi.org/10.3390/machines10060410
12. B.Т. Ratov, V.А. Mechnik, Е.S. Gevorkyan, J. Matijosius, V.М. Kolodnitskyi, V.А. Chishkala, N.О. Kuzin, Z. Siemiatkowski, M. Rucki. Influence of CrB2 additive on the morphology, structure, microhardness and fracture resistance of diamond composites based on WC‒Co matrix, Materialia, Volume 25, 2022, 101546, https://doi.org/10.1016/j.mtla.2022.101546
13. Mechnik, V.A., Bondarenko, N.A., Kuzin, N.O. et al. Influence of the Addition of Vanadium Nitride on the Structure and Specifications of a Diamond–(Fe–Cu–Ni–Sn) Composite System. J. Frict. Wear 39, 108–113 (2018). https://doi.org/10.3103/S1068366618020101