| Strength optimization of a two-layer coating for the particular local loading conditions IP Shatskyi, LY Ropyak, MV Makoviichuk Strength of Materials 48 (5), 726-730, 2016 | 52 | 2016 |
| Machining error influnce on stress state of conical thread joint details T Pryhorovska, L Ropyak 2019 IEEE 8th International Conference on Advanced Optoelectronics and …, 2019 | 48 | 2019 |
| Influence of heavy weight drill pipe material and drill bit manufacturing errors on stress state of steel blades O Bazaluk, A Velychkovych, L Ropyak, M Pashechko, T Pryhorovska, ... Energies 14 (14), 4198, 2021 | 47 | 2021 |
| Microstructure and wear characterization of the Fe-Mo-BC—based hardfacing alloys deposited by flux-cored arc welding M Bembenek, P Prysyazhnyuk, T Shihab, R Machnik, O Ivanov, L Ropyak Materials 15 (14), 5074, 2022 | 45 | 2022 |
| Study on grinding mode effect on external conical thread quality LY Ropyak, VS Vytvytskyi, AS Velychkovych, TO Pryhorovska, ... IOP Conference Series: Materials Science and Engineering 1018 (1), 012014, 2021 | 43 | 2021 |
| Optimization of process parameters of chrome plating for providing quality indicators of reciprocating pumps parts L Ropyak, V Ostapovych Eastern-European Journal of Enterprise Technologies 2 (5), 50-62, 2016 | 42 | 2016 |
| Strategy of compatible use of jet and plunger pump with chrome parts in oil well O Bazaluk, O Dubei, L Ropyak, M Shovkoplias, T Pryhorovska, ... Energies 15 (1), 83, 2021 | 41 | 2021 |
| Analysis of materials and modern technologies for PDC drill bit manufacturing LY Ropyak, TO Pryhorovska, KH Levchuk Progress in Physics of Metals 21 (2), 274-301, 2020 | 41 | 2020 |
| Influence of the oxide-layer thickness on the ceramic-aluminium coating resistance to indentation LY Ropyak, IP Shatskyi, MV Makoviichuk Metallofizika i noveishie tekhnologii 39 (4), 517-524, 2017 | 41 | 2017 |
| On the influence of facing on strength of solids with surface defects IP Shatskyi, VV Perepichka, LY Ropyak Металлофизика и новейшие технологии 42 (1), 69-76, 2020 | 40 | 2020 |
| A technology of hydrocarbon fluid production intensification by productive stratum drainage zone reaming O Bazaluk, O Slabyi, V Vekeryk, A Velychkovych, L Ropyak, V Lozynskyi Energies 14 (12), 3514, 2021 | 38 | 2021 |
| Influence of technological parameters of centrifugal reinforcement upon quality indicators of parts ЛЯ Роп’як, ІО Шуляр, ОМ Богаченко Eastern-European Journal of Enterprise Technologies 1 (5), 53-62, 2016 | 37 | 2016 |
| Model of contact interaction in threaded joint equipped with spring-loaded collet I Shatskyi, L Ropyak, A Velychkovych Engineering Solid Mechanics 8 (4), 301-312, 2020 | 36 | 2020 |
| Analysis of interaction of thin coating with an abrasive using one-dimensional model LY Ropyak, IP Shatskyi, MV Makoviichuk Metallofizika i Noveishie Tekhnologii 41 (5), 647-654, 2019 | 34 | 2019 |
| Improving the alluminum drill pipes stability by optimizing the shape of protector thickening O Vlasiy, V Mazurenko, L Ropyak, A Rogal | 34 | 2017 |
| Analytical study of operational properties of a plate shock absorber of a sucker-rod string A Velychkovych, I Petryk, L Ropyak Shock and Vibration 2020, 1-7, 2020 | 33 | 2020 |
| Analytical model of oil pipeline overground transitions, laid in mountain areas AS Velychkovych, AV Andrusyak, TO Pryhorovska, LY Ropyak Oil & Gas Science and Technology–Revue d’IFP Energies nouvelles 74, 65, 2019 | 33 | 2019 |
| Stressed state of laminated interference-absorption filter under local loading LY Ropyak, MV Makoviichuk, IP Shatskyi, IM Pritula, LO Gryn, ... Funct. Mater 27 (3), 638-642, 2020 | 32 | 2020 |
| Analytical estimation of tooth strength, restored by direct or indirect restorations O Bulbuk, A Velychkovych, V Mazurenko, L Ropyak, T Pryhorovska | 30 | 2019 |
| Применение поверхностного упрочнения алюминиевых сплавов и покрытий для повышения коррозионно-механической стойкости деталей нефтепромыслового оборудования. Серия: Борьба с … ЭАВ Саакиян Л.С. , Ефремов А.П., Ропяк Л.Я. Москва: ВНИИОЭНГ [PDF] - URL: https://drive.google.com/file/d …, 1986 | 23* | 1986 |
Андрій Величкович, Andrii Velychkov...Івано-Франківський національний технічний університет нафти і газуVerified email at nung.edu.ua
