ISSN 0491-6441
Journal "Svarochnoe Proizvodstvo"
WELDING, RELATED PROCESSES AND TECHNOLOGIES
UDC 621.791.16
DOI: 10.34641/SP.2024.1069.6.038
Volkov S. S., Rozanov D. S., Sudarev A. V., Remizov A. L. — Energy performance indicators of the acoustic assembly in ultrasonic welding of synthetic fabrics
Magnetostrictive acoustic systems are considered, and the materials from which they are manufactured are given. Work aimed at reducing the acoustic power introduced into the welded products during ultrasonic welding of synthetic fabrics is carried out. Dependences of the electroacoustic efficiency of the acoustic system are plotted.
Keywords: ultrasonic welding, waveguide oscillation amplitude, oscillation frequency, welding pressure, acoustic assembly, gain factor
SCIENTIFIC AND TECHNICAL SECTION
UDC 621.791.75
DOI: 10.34641/SP.2024.1069.6.039
Korotkova G. M., Rychin A. I. — Technological properties of a rectangular AC arc in welding of aluminum alloys
The paper presents the results of studies of the indicators of the technological properties of a rectangular AC arc during non-consumable electrode welding of AMg6 alloy.
Keywords: TIG welding, Al alloys, technological properties of a free rectangular AC arc, penetrating ability, arc burning stability, structure of the fusion zone and weld, oxide film cleaning, variety of adjustable parameters with their separate regulation
UDC 621.79
DOI: 10.34641/SP.2024.1069.6.040
Melyukov V. V., Zhilin P. L., Melnichenko O. P. — Modeling of the thermal process of material processing by combined sources
Cases of combined action of two or more energy sources in welding and material processing are considered. A mathematical model of the thermal process under the action of two or more sources is developed, and the results of a numerical solution are presented.
Keywords: concentrated source, combined sources, isotherm, thermal cycle
UDC 621.791
DOI: 10.34641/SP.2024.1069.6.041
Latypov R. A., Lyushinsky A. V., Sotskov A. A., Latypova G. R. — Features of the formation of an aluminum-to-glass-ceramic joint through an intermediate indium layer
The possibility of diffusion welding of aluminum to glass-ceramic through an intermediate indium layer at room temperature is shown.
Keywords: diffusion welding, aluminum, deformation, glass-ceramic, indium, joint zone, X-ray spectral analysis, microhardness
UDC 621.791.927
DOI: 10.34641/SP.2024.1069.6.042
Kozhechenko A. S., Shcherbakov A. V., Rodyakina R. V., Lunin V. P. — Determination of distortions of the current density distribution due to electron re-reflection when measuring powerful technological electron beams
A geometric model and detector materials for measuring technological electron beams are presented. The influence of reflected and re-reflected electrons during interaction with the sensor diaphragms on the recorded signals is shown.
Keywords: electron beam, technological electron beam, welding electron beam, electron re-reflection, electron beam diagnostics, electron beam measurement
PRODUCTION SECTION
UDC 621.791.042.4
DOI: 10.34641/SP.2024.1069.6.043
Sheksheev M. A. — Investigation of the influence of arc welding modes on the structure and microhardness of the deposited metal in the presence of powder modifiers
This work is devoted to studies of the influence of the WC modifying additive in the coating of stick electrodes on the structural parameters of the deposited metal and its microhardness level.
Keywords: welding, surfacing, coated electrode, modification, inoculation, metal structure, microhardness
UDC 621.791/.792
DOI: 10.34641/SP.2024.1069.6.044
Korshunov V. Ya., Kupreenko A. I., Isaev Kh. M., Isaev S. Kh., Mikhailichenko S. M. — Determination of the energy efficiency of methods for surfacing worn surfaces of tillage tools and machine parts
The paper presents an assessment of the energy efficiency of methods for surfacing worn surfaces of tillage tools and machine parts. The analysis of the data obtained in the work showed that mechanized methods of restoring worn surfaces of tillage tools and machine parts have greater energy efficiency in terms of efficiency factor than the manual surfacing method.
Keywords: energy, enthalpy, surfacing methods, productivity, efficiency factor
UDC 621.791.927.5
DOI: 10.34641/SP.2024.1069.6.045
Chigarev V. V., Zarechensky D. A., Vorobiev V. V. — Formation of the structure and properties of deposited metal by flux-cored strips
The main types of alloys deposited on parts of blast furnace equipment by flux-cored strip electrodes are considered. The results of studies of the chemical composition, microstructure, and hardness of the phase constituents of alloys resistant under gas-abrasive wear conditions are presented.
Keywords: flux-cored strip, deposited metal, gas-abrasive wear, hardness, wear resistance, crack formation, carbide phase
UDC 621.791.927.048
DOI: 10.34641/SP.2024.1069.6.046
Ershov A. V., Ershov A. A. — Increasing the productivity and quality of anti-corrosion surfacing of NPP power equipment
A review of domestic and foreign welding fused fluxes currently used for anti-corrosion surfacing of NPP power equipment is carried out. The fluxes are divided into 3 groups according to their chemical activity. Their positive and negative aspects depending on their chemical activity and base are shown.
Keywords: anti-corrosion surfacing, welding flux, fused flux, ceramic flux, welding-technical properties, strength characteristics
INFORMATION
Alphabetical index of articles for 2024
Journal "Svarochnoe Proizvodstvo"
WELDING, RELATED PROCESSES AND TECHNOLOGIES
UDC 621.791.16
DOI: 10.34641/SP.2024.1069.6.038
Volkov S. S., Rozanov D. S., Sudarev A. V., Remizov A. L. — Energy performance indicators of the acoustic assembly in ultrasonic welding of synthetic fabrics
Magnetostrictive acoustic systems are considered, and the materials from which they are manufactured are given. Work aimed at reducing the acoustic power introduced into the welded products during ultrasonic welding of synthetic fabrics is carried out. Dependences of the electroacoustic efficiency of the acoustic system are plotted.
Keywords: ultrasonic welding, waveguide oscillation amplitude, oscillation frequency, welding pressure, acoustic assembly, gain factor
SCIENTIFIC AND TECHNICAL SECTION
UDC 621.791.75
DOI: 10.34641/SP.2024.1069.6.039
Korotkova G. M., Rychin A. I. — Technological properties of a rectangular AC arc in welding of aluminum alloys
The paper presents the results of studies of the indicators of the technological properties of a rectangular AC arc during non-consumable electrode welding of AMg6 alloy.
Keywords: TIG welding, Al alloys, technological properties of a free rectangular AC arc, penetrating ability, arc burning stability, structure of the fusion zone and weld, oxide film cleaning, variety of adjustable parameters with their separate regulation
UDC 621.79
DOI: 10.34641/SP.2024.1069.6.040
Melyukov V. V., Zhilin P. L., Melnichenko O. P. — Modeling of the thermal process of material processing by combined sources
Cases of combined action of two or more energy sources in welding and material processing are considered. A mathematical model of the thermal process under the action of two or more sources is developed, and the results of a numerical solution are presented.
Keywords: concentrated source, combined sources, isotherm, thermal cycle
UDC 621.791
DOI: 10.34641/SP.2024.1069.6.041
Latypov R. A., Lyushinsky A. V., Sotskov A. A., Latypova G. R. — Features of the formation of an aluminum-to-glass-ceramic joint through an intermediate indium layer
The possibility of diffusion welding of aluminum to glass-ceramic through an intermediate indium layer at room temperature is shown.
Keywords: diffusion welding, aluminum, deformation, glass-ceramic, indium, joint zone, X-ray spectral analysis, microhardness
UDC 621.791.927
DOI: 10.34641/SP.2024.1069.6.042
Kozhechenko A. S., Shcherbakov A. V., Rodyakina R. V., Lunin V. P. — Determination of distortions of the current density distribution due to electron re-reflection when measuring powerful technological electron beams
A geometric model and detector materials for measuring technological electron beams are presented. The influence of reflected and re-reflected electrons during interaction with the sensor diaphragms on the recorded signals is shown.
Keywords: electron beam, technological electron beam, welding electron beam, electron re-reflection, electron beam diagnostics, electron beam measurement
PRODUCTION SECTION
UDC 621.791.042.4
DOI: 10.34641/SP.2024.1069.6.043
Sheksheev M. A. — Investigation of the influence of arc welding modes on the structure and microhardness of the deposited metal in the presence of powder modifiers
This work is devoted to studies of the influence of the WC modifying additive in the coating of stick electrodes on the structural parameters of the deposited metal and its microhardness level.
Keywords: welding, surfacing, coated electrode, modification, inoculation, metal structure, microhardness
UDC 621.791/.792
DOI: 10.34641/SP.2024.1069.6.044
Korshunov V. Ya., Kupreenko A. I., Isaev Kh. M., Isaev S. Kh., Mikhailichenko S. M. — Determination of the energy efficiency of methods for surfacing worn surfaces of tillage tools and machine parts
The paper presents an assessment of the energy efficiency of methods for surfacing worn surfaces of tillage tools and machine parts. The analysis of the data obtained in the work showed that mechanized methods of restoring worn surfaces of tillage tools and machine parts have greater energy efficiency in terms of efficiency factor than the manual surfacing method.
Keywords: energy, enthalpy, surfacing methods, productivity, efficiency factor
UDC 621.791.927.5
DOI: 10.34641/SP.2024.1069.6.045
Chigarev V. V., Zarechensky D. A., Vorobiev V. V. — Formation of the structure and properties of deposited metal by flux-cored strips
The main types of alloys deposited on parts of blast furnace equipment by flux-cored strip electrodes are considered. The results of studies of the chemical composition, microstructure, and hardness of the phase constituents of alloys resistant under gas-abrasive wear conditions are presented.
Keywords: flux-cored strip, deposited metal, gas-abrasive wear, hardness, wear resistance, crack formation, carbide phase
UDC 621.791.927.048
DOI: 10.34641/SP.2024.1069.6.046
Ershov A. V., Ershov A. A. — Increasing the productivity and quality of anti-corrosion surfacing of NPP power equipment
A review of domestic and foreign welding fused fluxes currently used for anti-corrosion surfacing of NPP power equipment is carried out. The fluxes are divided into 3 groups according to their chemical activity. Their positive and negative aspects depending on their chemical activity and base are shown.
Keywords: anti-corrosion surfacing, welding flux, fused flux, ceramic flux, welding-technical properties, strength characteristics
INFORMATION
Alphabetical index of articles for 2024