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Introduction
Current institution
Current position
- Head of Department of Specialized High-Voltage Technique and Laser Welding
Publications
Publications (150)
The transport of dangerous goods will always be potentially risky: this is due to the new substances that are accepted for transport; by increasing the speed of cargo delivery; stricter requirements for ensuring traffic safety when transporting dangerous goods. Therefore, the entire system of organizing the transportation of dangerous goods, which...
Thin-walled products with girth welded joints are widely used in modern machine building and instrumentation, where the quality of welded joints is subject to particularly high requirements. Welding of such products is accompanied by a number of technological challenges, especially when laser welding is used. The main problems are the instability o...
This article highlights the main problems of the suburban passenger complex. Authors propose measures to improve the technology of organizing suburban transportation depending on the movement interval and distance of passenger transportation on the railways of Ukraine. The problems of the passenger suburban complex require the search for new ways o...
From the dawn of human history, mankind has always made efforts to create more effective tools for combating other creatures, including fellow people. Thus, the utilisation of different species of animals, the creation of new weapons and other means of human progress have always led to new developments, aimed at emulating, replacing or combating th...
The research is aimed at improving the technology of laser welding-soldering of titanium and aluminum alloys widely used in the aerospace and automotive industries. Welding is difficult due to the formation of a brittle layer of intermetallides (TiAl3), worsening the strength of the joints. To reduce the formation of intermetallides it was proposed...
The collective monograph is a scientific and practical publication that contains scientific articles by doctors and candidates of sciences, doctors of philosophy and art, graduate students, students, researchers and practitioners from European and other countries. The articles contain
research that reflects current processes and trends in world sci...
The paper deals with the topical issues of implementing means of automatic control of the movement of locomotives and trains on the railways of Ukraine. The complex of objectives considers the issue of determining the location of moving objects of railway transport of Ukraine, which enables to reduce the load on the control dispatching centres and...
In this study, an analysis of current welding technologies for new high-strength low-alloyed AHSS sheet steels is presented. Over the course of it, a series of welded joints of sheet metal with a thickness of 1.2 mm made of CR1000Y1370T-CH steel (composition: 0.23% C, 2% Si, 3% Mn, 0.015–2% Al, 1% Cr + Mo, 0.15% Ti + Nb, 0.2% Cu) by Voelstalpine (A...
Технології лазерного зварювання тонколистових матеріалів широко використовуються у багатьох галузях промисловості, таких як атомна, автомобілебудівна, космічна, авіаційна, суднобудівна та інші. Ця різноманітність використання технології лазерного зварювання вимагає стандартизації під час виготовлення контрольних зварних з'єднань. Однак результати п...
The collective monograph is a scientific and practical publication that contains scientific
articles by doctors and candidates of sciences, doctors of philosophy and art, graduate students,
students, researchers and practitioners from European and other countries. The articles contain
research that reflects current processes and trends in world sci...
Interdisciplinary research of modern trends in science and its practical application
The scientific monograph presents theoretical and practical aspects of the development of science, technology, and innovation in the context of the global transformation of society. It covers general issues of engineering sciences, economic, geographical and Agricultural sciences, state administration sciences. The publication is intended for scien...
This work is devoted to the study of the progress in various areas of additive manufacturing technology usage - from the first theories of layer-by-layer manufacturing to modern additive manufacturing technologies. Additive manufacturing technologies are some of the most rapidly developing sectors of manufacturing, maintaining significant interest...
The nature and processes of development of the consequences of possible transport events involving dangerous goods depend on many factors. These consequences and the processes of their development depend on the physical and chemical properties of the substance with which the transport event occurred, the conditions in which the substance is transpo...
Suburban passenger rail transport is an extremely important and specific segment of the transport market, firstly, because of its enormous social importance, and secondly, because of the extremely high cost of these transports. Due to its high carrying capacity, reliability and regularity of traffic, the majority of the population makes daily trips...
In modern conditions, volumetric alloying of steels is becoming an increasingly less economically viable process. However, the level of performance properties of unalloyed steels cannot cover the current industry needs. One of the ways to solve this problem – usage of various surface alloying methods of steels, makes it possible to obtain the requi...
При виготовленні конструкцій з теплостійких сталей застосовують різні способи дугового зварювання. Високі значення тепловкладення і погонної енергії призводять до формування мікроструктури перегрівання в шві і зоні термічного впливу (ЗТВ), що сприяють утворенню гарячих і холодних тріщин, а також зниженню ударної в'язкості. Сучасний період розвитку...
The collective monograph is a scientific and practical publication that contains scientific
articles by doctors and candidates of sciences, doctors of philosophy and art, graduate students, students, researchers and practitioners from European and other countries. The articles contain research that reflects current processes and trends in world sci...
Niobium-based alloys are vital in high-temperature environments due to their unique chemical composition, phase structure, high density, and oxidation resistance. These alloys find extensive applications in industries such as medicine, engine manufacturing, and space technology. This study delves into the complexities of modeling laser welding proc...
![Figure 7. scan patterns considered in the work by Bambach et al. [29]:...](profile/Artemii-Bernatskyi/publication/375295543/figure/fig3/AS:11431281223818095@1707922719396/scan-patterns-considered-in-the-work-by-Bambach-et-al-29-a-parallel-scheme-b-mixed_Q320.jpg)
As a rule, two railway transport systems are involved in servicing consignors and consignees. These are the railway system of Ukraine and the transport system of an industrial enterprise. Both systems are complex ones with numerous connections when interacting with each other; and at the same time, the systems have their own performance criteria. M...
The problems arising in the process of emergencies in railway transport, especially in the waste water treatment process, have been analyzed and methods of their treatment, depending on the type of pollutants, have been characterized. The paper investigates the effect of the use of reagents depending on the physicochemical state of the transported...
Interdisciplinary research of modern trends in science and its practical application
Тонкостінні зварні з’єднання корозійностійких високолегованих сталей використовуються у різних галузях промисловості для виготовлення відповідальних конструкцій. Тенденція до зменшення ваги виробів з метою економії витрат та збереження енергоресурсів, надає актуальності пошуку способів вирішення задачі зварювання таких з’єднань, у тому числі за доп...
Одним зі способів вирішення проблеми зварювання магістральних трубопроводів є застосування лазерного випромінювання у якості джерела нагріву. Завдяки малим розмірам зварювальної ванни й кута сходження сфокусованого лазерного випромінювання лазерне зварювання надає можливість для значного зменшення кута розробки крайк, що зварюються. Порівняно невел...
При зварюванні алюмінієвих сплавів перевага віддається стиковим з’єднанням. Зварювання стикових з’єднань із повним проплавленням виконують на підкладках, що усуваються, з канавками, у які стікає розплавлений метал разом зі шлаками. Однак існує велике коло промислових задач пов’язаних з необхідністю виготовлення конструкцій із застосуванням таврових...
Сільськогосподарське машинобудування традиційно займає важливе місце в структурі машинобудівного комплексу України. Закордоном набули популярності методи, спрямовані на розвиток технологічних підходів вирішення проблеми процесу зношування ріжучих кромок інструментів сільськогосподарської техніки, які полягають у лазерному наплавленні на робочі пове...
All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....
All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....
Метою даної роботи, є дослідження впливу зміни технологічних параметрів лазерного зварювання тонкостінних стикових з’єднань високолегованої жароміцної корозійностійкої сталі аустенітного класу 12Х18Н10Т, на геометрію, структуру та властивості зварних з’єднань. Розроблено технологію та обладнання для лазерного зварювання тонкостінних труб з нержавію...
All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....
All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....
All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....
The problem of automation of the welding process of steel and alloy complex profiles is present in many industries. In this study, the problem of automation of the laser welding process control when welding complex three-dimensional structures in different spatial position was studied. In the first part of the investigation, a centralized hardware-...
Enterprises that produce finished products from sheet material are usually focused on fulfilling orders of a wide range. The wide range and small volumes of batches of products force such enterprises to often readjust their technological equipment. Due to the fact that the readjustment affects the entire technological chain of sheet material proces...
The research results on the application of the laser and electric arc welding technologies on AISI 316Ti/AISI 321 joints in the process of creation of a honeycomb thin-walled structure are presented. A comparative analysis of characteristics of spot welded joints of thin-sheet high-alloy steels produced by electric arc and laser welding in differen...
Надшвидке охолодження розплавів викликає зміну морфології структури, подрібнення структурних складових, значне підвищення взаємної розчинності компонентів, утворення нових метастабільних фаз, перехід в мікрокристалічний й іноді в аморфний стан металевих матеріалів. Зазначені зміни мікроструктури, фазового складу, кристалічної структури й навіть ста...
All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....
The aim of this research is to study the development as well as the known cases of military applications of laser technologies – from the first lasers employed in auxiliary systems to modern complex independent laser systems. For better understanding and systematization of knowledge about development of historical applications in the military field...
The aim of the work is a comparative analysis of structural features and mechanical characteristics of spot welded joints of thin-sheet stainless steels 03Х11Н10М2T and 12Х18Н10Т, produced by laser welding in different welding positions. The change in the welding position from vertical to flat allowed extend the ranges of variation of welding modes...
In this study, the method of determining the influence of laser welding parameters on the quality provisions of welded joints made with multicomponent heat-resistant alloys was developed. The regularities of the formation of the welded joint structure of multicomponent heat-resistant alloys obtained by laser welding have been studied. The causes an...
У статті розглянуто питання розробки прийомів лазерного зварювання нових легких композиційних матеріалів підвищеної міцності на основі алюмінієвих сплавів, які мають волокнисте, дисперсне та шарувате зміцнення. Отримання їх нероз'ємних з'єднань потребує застосування таких інноваційних рішень, які зможуть бути достатньо ефективно впроваджені в проми...
All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....
All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....
The article presents the results of studying the surface layers of structural steel samples alloyed with 48(WC–W 2 C) + 48Cr + 4Al powder materials mixture using laser-plasma alloying technology. ROFIN-SINAR Nd:YAG-laser DY044 (Germany) with irradiation wave length λ = 1.06 μm was used for laser alloying. Equipment and technologies of laser-plasma...
The paper is devoted to the analysis of the history of the creation of the laser as one of the greatest technical inventions of the 20th century. This paper focuses on establishing a relation between the periodization of the stages of creation and implementation of certain types of lasers, with their influence on the invention of certain types of e...
It was revealed that spatial position during laser welding of AISI 321 stainless steel influences the processes in the weld pool and the process of its crystallization. The geometry, structure, distribution of chemical elements depend on the cooling rate of the welded joint, which varies in different spatial positions during laser welding of stainl...
Extending the lifetime of energy facilities is extremely important today. This is especially true of nuclear power plants, the closure (or modernization) of which poses enormous financial and environmental problems. High-quality repair of reactors can significantly extend their service life. One of the critical parts is heat exchangers, the tubes o...
The article discusses the prospects of using combined thermal deformation surface processing to improve the performance properties of metal products. There is a new method of thermal deformation surface hardening (shot peening (SP) followed by laser heat treatment (LHT)) for tools and crown housings operating under difficult conditions proposed. Fo...
В. Д. Шелягін, А. В. Бернацький, О. М. Берднікова, В. М. Сидорець, О. В. Сіора, С. Г. Григоренко. Вплив технологічних особливостей лазерного зварювання титан-алюмінієвих конструкцій на структуроутворення зварних з’єднань. Metallophysics and Advanced Technologies (Металофіз. новітні технол. | Metallofiz. Noveishie Tekhnol. 2020, vol. 42, No. 3, pp....
Progress in modern science and technology is impossible without the use of new materials, which include nanoparticles and single crystals. Existing approaches in the field of computer vision are difficult to apply to the processing of diffraction patterns, which contain information about the parameters of the fine structure of nanostructured and si...
The process of formation of pores, cavities and similar defects in welded joints of stainless steels and aluminum alloys, affecting their quality, directly depends on spatial weld position in laser welding. Reducing the angle of inclination from 90° to 0° during downhill and uphill welding of AISI 321 stainless steel in the pulse mode of laser gene...
Strength of Materials, Vol. 51, No. 6, November, 2019.
Investigation results are presented to improve the structural strength (cold crocking resistance) of weld joints in high-strength steels with the yield limit over 600 MPa. The effect of arc, laser, and hybrid laser-arc welding conditions on the weld metal structure and diffusion hydrogen satur...
А.В. Бернацький, В.Д. Шелягін, В.М. Сидорець, О.М. Берднікова, О.В. Сіора, Т. М. Набок, ВИЗНАЧЕННЯ ТЕХНОЛОГІЧНИХ ОСОБЛИВОСТЕЙ ЛАЗЕРНОГО ЗВАРЮВАННЯ СТИКОВИХ З’ЄДНАНЬ З РІЗНОРІДНИХ НЕРЖАВІЮЧИХ АУСТЕНІТНИХ СТАЛЕЙ У ВЕРТИКАЛЬНОМУ ПРОСТОРОВОМУ ПОЛОЖЕННІ. Вісник Черкаського державного технологічного університету. Серія: Технічні науки. –2019, 4, 112-125....
Бернацький А.В., Шелягін В.Д., Сидорець В.М., Сіора О.В., Шуба І.В., Курило В.А., Сучек О.М. СТВОРЕННЯ ТЕХНОЛОГІЧНОГО УСТАТКУВАННЯ ДЛЯ ДОСЛІДЖЕНЬ ПРОЦЕСУ ЛАЗЕРНОГО ЗВАРЮВАННЯ В РІЗНИХ ПРОСТОРОВИХ ПОЛОЖЕННЯХ. Вчені записки Таврійського національного університету ім. В.І. Вернадського, серія «Технічні науки», 2019, 30(6.2), 1-5. Bernatskyi A.V., Shel...
It has been selected the most industry perspective laser welding technological implementations of the welded T-joints made of fine-sheeted heat resisting steel AISI 321 by identifying the influence of technological parameters on formation quality, level of mechanical properties and structural peculiarities of the welded T-joints obtained by laser w...
