Institute of Superhard Materials

Scientific direction

Physical and mechanical research of materials, their non-destructive testing, nanotesting taking into account structural features and ultra-high pressure. Computer modeling of force and thermal fields, optimization of multi-element high-pressure devices, improvement of technologies for obtaining materials and products, computer calculations in the mechanics of materials and products. Conducting expert and diagnostic tests on modern equipment that meets the requirements of metrological support and regulatory documentation for orders.

Tasks of the department

1. Computer modeling of physical and mechanical processes of obtaining and processing functional superhard and ceramic materials and products based on them:

development of methods for computer design of AHT reaction cells

strength of AHT structural elements (including development of AHT design systems)

development of methods for modeling phase transformations in materials

modeling of laser forming processes of products and the structure of their material

2. Research of physical and mechanical characteristics of hard alloys, superhard and ceramic materials:

obtaining expert assessments of physical and mechanical properties

study of the relationship between physical and mechanical characteristics of materials with their dimensions, structure, composition

determination of areas of effective use of materials

3. Development of methods for studying the mechanical properties of materials by nanoindentation.

4. Research of materials in high-pressure apparatuses with diamond anvils:

research of the influence of pressures up to 20 GPa on the structure and phase transformations in materials

research of the influence of shear deformations on the structure and phase transformations in materials

5. Development of scanning probe microscopy methods:

development of theoretical foundations of scanning tunneling microscopy, atomic force microscopy and other methods of scanning probe microscopy

development of methods, devices and software for the application of scanning probe microscopy with a diamond tip

research of structural and mechanical properties of thin films, nanostructured materials and composites

development of nanotechnologies using scanning probe microscopy with a diamond tip

Laboratory, research and technological base of the department

Completed projects

2015-2017

№DR 0114006499 “Study of regularities and analytical generalization of the conditions of the elastic-plastic transition with determination of the ultimate hardness and yield strength at the nanolevel of common and new hard and superhard oxides, carbides and borides by nanoindentation and scanning tunneling microscopy methods”. Order of the National Academy of Sciences of Ukraine.

2016 -2018

№DR 0115U006577 “Regularities of crystallization and growth kinetics of diamond single crystals weighing up to 10 carats”. Order of the National Academy of Sciences of Ukraine.

2017 -2021.№DR 0114U0070047 “Creation of a multi-blade tool equipped with a PNTM for high-quality processing of products made of difficult-to-process high-hardness materials and polymer composites”. Order of the National Academy of Sciences of Ukraine.

2018-2020 No. DR 0118U00329 “Study of electrophysical and luminescent properties of diamond plates with contact coatings based on single crystals of type IIa and IIb, intended for the latest quantum and atomic technologies”. Order of the National Academy of Sciences of Ukraine.

2018-2020 No. DR 0119U100566 “Construction of the state diagram of the Fe–Ga–N system at a pressure of 6 GPa and crystallization of gallium nitride in this system”. Order of the National Academy of Sciences of Ukraine.

2021-2023 No. 0121U100539 “Development of a method for computer modeling of stress-strain and limit states of structural elements of a six-punch AVT and determination of optimal conditions for generating pressure in it”. Order of the National Academy of Sciences of Ukraine.

2021 –2023

№DR 0121U100620. “Regularities of anisotropy of electrophysical and luminescent properties of HPHT diamond single crystals weighing 5-15 ct”. Order of the NAS of Ukraine. Recent publications

1.  V.I. Ivashchenko, S.N. Dub, P.L. Scrynskyy, A.O. Kozak, Leonid Gorb, Frances Hill, Jerzy Leszczynski. Characterization of Al-Mg-B-C films based on experimental and first-principles investigations //Surface and Coatings Technology, Volume 309, 2017, Pages 164-171. https://doi.org/10.1016/j.surfcoat.2016.07.044.

2. Dub, S.; Lytvyn, P.; Strelchuk, V.; Nikolenko, A.; Stubrov, Y.; Petrusha, I.; Taniguchi, T.; Ivakhnenko, S. Vickers Hardness of Diamond and cBN Single Crystals: AFM Approach.Crystals 2017, 7, 369. https://doi.org/10.3390/cryst7120369

3. Panasyuk, T.S., Lyeshchuk, O.O., Lusakovs´kyi, V.V.et al.Modeling of temperature fields in the growth volume of the high-pressure cell of the six-punch high pressure apparatus in growing of diamond crystals by the T-gradient method.J. Superhard Mater.39, 390–396 (2017).https://doi.org/10.3103/S1063457617060028

4. Andrew Hrechuk, Volodymyr Bushlya, Jan-Eric Stahl. Hole-quality evaluation in drilling fiber-reinforced composites //Composite Structures, Volume 204, 2018, Pages 378-387.https://doi.org/10.1016/j.compstruct.2018.07.105.

5. Andrew Hrechuk, Volodymyr Bushlya, Rachid M´Saoubi, Jan-Eric Stðhl. Experimental investigations into tool wear of drilling CFRP //Procedia Manufacturing, Volume 25, 2018, Pages 294-301.https://doi.org/10.1016/j.promfg.2018.06.086.
6. O.V. Sobol, S.N. Dub, A. D. Pogrebnjak, R.P. Mygushchenko, A.A. Postelnyk, A.V. Zvyagolsky, G.N. Tolmachova. The effect of low titanium content on the phase composition, structure, and mechanical properties of magnetron sputtered WB2-TiB2 films //Thin Solid Films, Volume 662, 2018, 137-144.https://doi.org/10.1016/j.tsf.2018.07.042.
7. T.A. Prikhna, P.P. Barvitskyi, A.V. Maznaya, V.B. Muratov, L.N. Devin, A.V. Neshpor, V. Domnich, R. Haber, M.V. Karpets, E.V. Samus, S.N. Dub, V.E. Moshchil. Lightweight ceramics based on aluminum dodecaboride, boron carbide and self-bonded silicon carbide //Ceramics International, Volume 45, Issue 7, Part B, 2019, Pages 9580-9588.https://doi.org/10.1016/j.ceramint.2018.10.065.
8. V. Grushko, O. Beliuskina, A. Mamalis, V. Lysakovskiy, E. Mitskevich, A. Kiriev, E. Petrosyan, R. Chaplynskyi, O. Bezshyyko, O. Lysenko. Energy conversion efficiency in betavoltaic cells based on the diamond Schottky diode with a thin drift layer //Applied Radiation and Isotopes, Volume 157, 2020, 109017. https://doi.org/10.1016/j.apradiso.2019.109017.
9. Psiarnetska, T., Kirkova, O., Leshchuk, O. et al.Development of Ceramic Items Injection Molding Technology Using Computer Modeling.Powder Metal Met Ceram 60, 150–163 (2021).https://doi.org/10.1007/s11106-021-00223-3
10. Vladimir Grushko, Iuliia Yamnenko, Sergei Ivakhnenko, Athanasios Mamalis, Valentyn Lysakovskiy, Tetiana Kovalenko, Nikolai Lukianov, Eugene Mitskevich, Oleg Lysenko. Preparation and characterization of conductive diamond for a scanning tunneling microscope tip //Diamond and Related Materials, Volume 130, 2022, 109473.  https://doi.org/10.1016/j.diamond.2022.109473 .