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CONSTRUCTIONAL MATERIALS, PHYSICAL METALLURGY

DOI: 10.34641/TM.2022.236.2.006
Horev A. I. — Prospects for the use of titanium alloys 

A brief overview of the development of new titanium alloys for use in aircraft structures is given, the prospects for the use of titanium alloys in the coming years for the needs of defense equipment are revealed.
Key words: titanium alloys, mechanical properties, titanium application in materials for aviation, marine engineering, instrumentation, medical equipment

TECHNOLOGIES AND MACHINES FOR WELDING PRODUCTION AND RELATED PROCESSES

DOI: 10.34641/TM.2022.236.2.007
Tsumarev Yu. A., Latypova E. Yu., Ignatova E. V. — The influence of design features on the stress-strain state of a soldered lap joint 

The article presents the development of a design scheme of the stress-strain state of a soldered lap joint with various design features of the soldered structure.
Key words: stress-strain state of the joint, soldered joints, finite element model, maximum stresses

SPECIAL TYPES OF TECHNOLOGIES

DOI: 10.34641/TM.2022.236.2.008
Safiullin R. A., Yangirov I. F. — Extraction of high-viscosity oil and bitumen by electrothermal method

The article studies the process of extraction of high-viscosity oil and bitumen (HVOB) deposits using microwave heaters when water or dry steam is injected into it. The developed design with its theoretical calculations and provisions can be used in heat power and oil and gas business. The proposed model differs from the known methods and designs in the uniformity of heating of the HVOB deposit throughout its volume, low material and capital intensity. This is due to the fact that 95 % of the thermal energy is released into the deposit and goes directly to its heating.
The accuracy of calculations based on the proposed model depends on the accuracy of the initial data on the electrical conductivity and magnetic permeability of the deposit. The refore, this model retains the potential of an extremely energy-efficient method of heating various materials.
Key words: high-viscosity oil, microwave heater, energy efficiency, high frequency currents

DOI: 10.34641/TM.2022.236.2.009
Karimbaev T. D., Nurimbetov A. U. — Deformation of naturally twisted multilayer anisotropic rods

In this paper, we consider the deformation of multilayer rods during torsion and stretching, as well as the stress-strain state of naturally twisted rods such as turbomachine blades. Using geometric representations for layered anisotropic rods with a rectilinear axis, kinetic relations were obtained, which were subsequently used to establish the basic equations. The results of comparison of experimental data with theoretical calculations confirm the correctness of the conclusion of the obtained relations.
Key words: multilayer rods, stress-strain state, turbine blades

MACHINE-TOOL AND CUTTING TOOLS PRODUCTION

DOI: 10.34641/TM.2022.236.2.010
Dudarev A. S. — Ways to prevent breakdowns of small-sized cutting tools when forming holes in multilayer sandwich structures made of polymer composite materials

The article highlights the ways to prevent breakdowns of small-sized cutting tools when performing hole perforation operations on multilayer sandwich panels made of polymer composite materials.
Key words: polymeric composite material, sandwich construction, cutting tool

MATHEMATICAL MODELING, NUMERICAL METHODS, PROGRAM COMPLEXES

DOI: 10.34641/TM.2022.236.2.011
Kurbanmagomedov K. D. — Organization of hardware and software complex for solving differential logical equations 

Developed a software package for solving differential logical equations, which allows to obtain a more rational version of the automatic solution of differential logical equations through the introduction of new mathematical methods. The architecture of the complex is an application installed on a workstation and does not have a server component. The file structure of the operating system is used as a database, i.e. data is stored in ASCII text files, which allows you not to use more powerful hardware and not allocate additional resources during calculations. The developed software package allows calculating n-th order differential logical equations and k-th order mixed derivatives, which makes this complex universal. It can be applied in various fields of knowledge, where Boolean functions are used to solve a particular problem.
Key words: program, logical function, file, server

AUTOMATION AND CONTROL OF THE TECHNOLOGY PROCESS AND PRODUCTION, CAD

DOI: 10.34641/TM.2022.236.2.012
Feofanov A. N., Meshkov V. G. — Modular representation of automated control systems

The modular principle of designing an automated control system is considered, the independent parts of which are integrated with each other using a single information space for configurations that take into account the specific features and structure of the enterprise.
Key words: modular principle, automated systems, control structure, data bank, complexity coefficient

ECONOMY AND ORGANIZATION OF PRODUCTION

DOI: 10.34641/TM.2022.236.2.013
Vasiliev S. A., Pinchuk V. N., Okatieva N. V. — Methodology for assessing the technical and economic effect of the introduction of innovative information and telecommunication technologies for managing organizational and economic structures

The authors of the article develop a method of assessment of technical and economic effect from the implementation of innovative information and telecommunication technologies during development of management systems of organizational and economic structures. The model is developed by means of mathematical modeling of discounted cash flows. The authors also develop approaches to assessment of influence of the project on cost of information and communication services provided to clients. The analysis of indicators of efficiency from implementation of innovative ICT, as well as the calculation of cost change of provided information and communication services as a result of implementation of projects in a telecommunication branch is also carried out in the article.
On the basis of the offered methods, it is possible to carry out calculations manually or in the specialized environment, for example, MS Excel.
Key words: effect assessment, technical and economic, innovations, information and communication technologies, management systems

INFORMATION

VIII International Industrial Forum "Territory NDT-2021. Unbrakable control Tests Diagnostics"

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