New substances and materials

Composite nanostructured materials with regulated the physicochemical properties

Prototypes of new catalysts and photocatalysts based on newly synthesized nanoscale metal oxides obtained, kinetic regularities of redox processes in which they participate in waste water determined. The experimental dependence of the degree of photocatalytic purification in model wastewater and the nature of the pollutant concentration established. Substantiation of technological parameters of the liquid-phase oxidation-reduction processes wastewater from the pollutants of various origins determined.

Innovative technologies and machine tool equipment for highly productive cutting by cutting modern structural materials

When implementing the project, a comprehensive research structure was applied, in which the choice of a specific type of research was determined by the goals and objectives that were solved at individual stages of its implementation. First, when developing mathematical models of the processes of shaping by cutting, an approach based on numerical and simulation modeling was used, and experimental design methods and regression analysis were used to determine some empirical parameters of the models.

Influence of the electronic structure of SiO2/TiO2/Fe2O3/Al2O3 nanocomposite cathodes obtained by shock-vibration treatment on the charge capacities of lithium current sources

For the intensive development of scientific and technological progress, it is necessary to use new materials with unique desired properties, such as high sorption ability, superconducting properties, high ability to accumulate electric charge, etc. Despite the intensive development of electrical engineering and an increase in the number of portable electronics, it is necessary to use portable sources energy with high rates of charge capacity and cyclability. Currently, one of the most promising is lithium current sources (LCS). Therefore, we can say with confidence that the search for new electrode materials that would provide the above features is undoubtedly an urgent task.

Measuring instrument of determination of microhardness and surface roughness of the details automatically on CNC machines

A new concept of constructing an automatic hardness gauge and a surface roughness meter has been created, unlike existing methods, it adheres to its TONTOR measurement technique. New approaches to obtaining microhardness and surface roughness of precision workpieces are based on the physical and mathematical principles of TONTOR technology, which involves measuring the parameters of interacting objects with respect to their field structures.

Competitive technology of molding structural products from traditional and nanomodified polymer composite materials

A new competitive technology has been developed for the molding of structural products from traditional and nanomodified polymer composite materials (PCM) based on the use of effective low-frequency ultrasonic (US) cavitation modes in liquid polymer media. Effective processing parameters were established for the basic technological operations of preparing nanosuspensions, preliminary ultrasonic treatment, disintegration and mixing in the preparation of liquid nanomodified polymer compositions

Creating high-performance actuators for adaptive, open-architecture automation systems

Creating high-performance actuators for adaptive, open-architecture automation systems

The basic part of the problem of combining physically heterogeneous components in the creation of executive modules of automated systems with programmable control is solved.
The results of the study of the features of the emergence and maintenance of the phenomenon of ultrasonic cavitation and the revealed patterns are the basis of the original design solutions of technological cavitation equipment, which allowed to increase the efficiency of many technological processes and the reliability and operational longevity of cavitation technological equipment

Creation of technologies of plastic deformation of homogeneous and powder materials in conditions of superplasticity for maintenance of a resource and reliability of the high technology products

Design and technological classification of standard blades of modern gas turbine engines is developed. Selected typical elements of solid and hollow blades for which tasks are set for the development of manufacturing technologies.

Development of technology and equipment for profiling of corrugated and ribbed tubes and creation of high-performance heat exchangers

The work is aimed at creation of high-efficiency heat regenerators of gas turbine units (GTU) of the gas transportation system of Ukraine. It is proposed to use highly effective heat exchange surfaces from the tubes of the spiral corrugated profile with high heat and aerodynamic characteristics for heat regenerators GTU, which will ensure a reduction of mass-dimensions by 30- 40% in comparison with heat exchangers made of smooth round tubes and an increase in the KPD GTU from 18-25% to 38-41%.