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CIMS 2024 Vernal

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Structural and Functional MaterialsStructure and phase composition of films Fe–Si–B-Cu–Nb and Fe–Si–B–Ni–Mo

Structure and phase composition of films Fe–Si–B-Cu–Nb and Fe–Si–B–Ni–Mo

Structure and phase composition of films Fe–Si–B-Cu–Nb and Fe–Si–B–Ni–Mo Serhii Riabtsev ORCID: https://orcid.org/0000-0002-2889-5278 Oles Honchar Dnipro National University Oleksandr Kushnerov ORCID: https://orcid.org/0000-0002-9683-2041 Oles Honchar Dnipro National University Valerii Bashev ORCID: https://orcid.org/0000-0002-3177-0935 Dniprovsk State Technical University The influence of modernized three-electrode ion-plasma sputtering of a complex target based on the Fe-Si-B system with Cu, Nb or Ni, Mo additives on the structure and properties of sputtered films has been studied. The formation of amorphous and nanocrystalline phases in the films was …

Structural and Functional MaterialsThe structure and mechanical properties of a multicomponent alloy of the Al-Co-Cr-Cu-Fe-Ni system obtained by quenching from the melt

The structure and mechanical properties of a multicomponent alloy of the Al-Co-Cr-Cu-Fe-Ni system obtained by quenching from the melt

The structure and mechanical properties of a multicomponent alloy of the Al-Co-Cr-Cu-Fe-Ni system obtained by quenching from the melt Oleksandr Kushnerov ORCID: https://orcid.org/0000-0002-9683-2041 Oles Honchar Dnipro National University Valerii Bashev ORCID: https://orcid.org/0000-0002-3177-0935 Dniprovsk State Technical University Serhii Riabtsev ORCID: https://orcid.org/0000-0002-2889-5278 Oles Honchar Dnipro National University This study investigates the influence of cooling rate on the microstructure, phase formation, and mechanical properties of the high-entropy alloy (HEA) Al4CoCrCuFeNi. X-ray diffraction analysis revealed a fascinating interplay between cooling rate and phase composition. …

Ecology, industrial and environmental safetyDetermination of model functional dependencies of eco-safety optimization and management for tailings dumps slope structures

Determination of model functional dependencies of eco-safety optimization and management for tailings dumps slope structures

Determination of model functional dependencies of eco-safety optimization and management for tailings dumps slope structures Andrii Riabko ORCID: https://orcid.org/0000-0001-6305-3853 M.S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine The problems of eco-safety of alluvial massifs of tailings dumps of various industries intersects with the tasks of rational nature management, based on geomechanical studies, aimed at improving the structural parameters of hydraulic impoundments and dams. A necessary conditions for the development of environmentally safe technological solutions …

Innovative Technologies in Mechanical EngineeringA cascading method of installing several radial thrust bearings

A cascading method of installing several radial thrust bearings

A cascading method of installing several radial thrust bearings Volodymyr Dudnikov ORCID: https://orcid.org/0000-0002-7115-7086 Oles Honchar Dnipro National University The structure of modern technical systems in mechanical engineering includes many bearing units with rolling bearings. The practice of designing and operating the supports of various mechanisms and machines shows that under the conditions of significant axial loads, double or serially arranged radial thrust ball bearings with the contact pressure lines of the rolling elements directed into them in one direction are …

Information Technology and CybersecurityDevelopment of software for applied statistical analysis of random variables

Development of software for applied statistical analysis of random variables

Development of software for applied statistical analysis of random variables Oleksii Klymenko ORCID: https://orcid.org/0009-0009-5164-1688 Oles Honchar Dnipro National University Classical applied mathematical statistics is a branch of mathematical science that deals with the development and application of mathematical methods and models for the collection, analysis, interpretation and presentation of empirical data. It includes a wide range of methods used to study patterns in data, estimate distribution parameters, test hypotheses, and make predictions. Classical applied mathematical statistics is used in various …

Control Systems, Telecommunications and NavigationNumerical modeling of controlled motion of a quadcopter drone

Numerical modeling of controlled motion of a quadcopter drone

Numerical modeling of controlled motion of a quadcopter drone Liudmyla Hart ORCID: https://orcid.org/0000-0003-2617-7851 Oles Honchar Dnipro National University Volodymyr Ruzhevych ORCID: https://orcid.org/0009-0006-2127-4387 Oles Honchar Dnipro National University The paper focuses on the use of control theory tools to develop a mathematical model of the controlled movement of a quadcopter drone. The purpose of the work is to perform a numerical analysis of the proposed mathematical model of a quadcopter based on an integrated systems approach, which consists in the sequential …