UDC 812.35.15; 812.35.03.11 DOI: 10.34641/SP.2024.1067.4.023 Orlov V. V., Nosov S. I., Volobuev Yu. S., Kazantsev A. G., Silaev A. A., Darakhvelidze Yu. D., Denisov K. A. — The issue of selecting criteria for substantiating the resistance of the metal of low-alloy Ni-Mn-Mo welds to brittle fracture
The documentation of technical designs for export units of NPPs with VVER provides for increased requirements for the level of properties of the base metal and welds of the main circulation pipelines. Keywords: welded joints, manual arc welding, weld, Ni-Mn-Mo steels, parameters, fracture
UDC 812.35.27.13.19 DOI: 10.34641/SP.2024.1067.4.024 Volobuev Yu. S., Denisov K. A., Volobuev S. Yu., Karakin I. A., Bobrikov Yu. V. — Methodology for the comparative assessment of the surface characteristics of fluxes for welding and surfacing when conducting research on the welding and technological properties of new materials
The paper considers a methodology for the comparative assessment of the surface characteristics of fluxes for welding and surfacing when conducting research on the welding and technological properties of new materials. Comparative studies of the slag systems of experimental fluxes for welding chromium steels are carried out. Keywords: flux, welding and surfacing, welding consumables, slag, spreadability
UDC 812.35.15.13 DOI: 10.34641/SP.2024.1067.4.025 Bastakov L. A., Geller A. B., Kovalevich E. V., Kurnosenko M. L. — Selection of materials and investigation of the weldability of high-strength gray cast iron with nodular graphite
Some aspects of the welding processes of gray high-strength cast iron with nodular graphite arising during manual arc welding with coated electrodes with different levels of alloying are considered. Changes in the structures of transition layers along the fusion line of various welding consumables with the base metal, as well as the welding conditions, are shown. Keywords: welding, cast iron, nodular graphite, electrode
PRODUCTION SECTION
UDC 812.35.27.11 DOI: 10.34641/SP.2024.1067.4.026 Volobuev Yu. S., Volosov N. A., Mitrofanov V. M. — Evolution of technologies and materials for anti-corrosion surfacing of critical equipment at JSC NPO TsNIITMASH
The evolution of the technology of anti-corrosion protection of nuclear power equipment and critical equipment is described. The methods of applying anti-corrosion coating developed at JSC NPO TsNIITMASH are considered. The current directions of development of corrosion protection of nuclear power equipment are given. Keywords: anti-corrosion coating, history of development, automatic surfacing, implementation, relevance
UDC 812.35.01.81 DOI: 10.34641/SP.2024.1067.4.027 Razygraev A. N., Razygraev N. P., Orlov V. V., Efimov S. V., Evtushenko S. G., Skorobogatykh V. N., Bastakov L. A., Davydov D. M., Samedov Ya. Yu. — Manufacturing of test and calibration specimens, certification of systems and methods for non-destructive testing of NPP equipment and pipelines
The article presents the results of work on providing ROSATOM with technologies for manufacturing specialized test and calibration specimens that are necessary for conducting certification tests of systems, methods, and personnel of non-destructive testing by ultrasonic, visual, television, and eddy current methods, as well as for setting up and checking system equipment before testing the base metal, welded joints, and cladded surfaces of equipment and pipelines. The performance of this work demonstrated and ensured the technological sovereignty of ROSATOM in global production. Keywords: nuclear power plant, non-destructive testing, ultrasonic testing, eddy current testing, television inspection, defect, discontinuity, test specimen, calibration specimen, base metal, welded joint, anti-corrosion cladding
UDC 812.35.03.07 DOI: 10.34641/SP.2024.1067.4.028 Khodakov D. V., Orlov V. V., Khodakov V. D., Potapov N. N., Volobuev Yu. S. — Metallographic studies of dissimilar welded joints depending on the features of the formation of fusion zones of welded joints of austenitic and pearlitic steels
The article systematizes and summarizes the main regularity determining the structure and properties of welded joints of dissimilar steels used in the manufacture of nuclear power equipment. Keywords: welded joint, dissimilar steels, welding consumables, fusion zone
UDC 621.78 DOI: 10.34641/SP.2024.1067.4.029 Abrosin A. A., Ershov A. A., Feklistov S. I., Alekseenok P. A. — Computer modeling of the heat treatment technology of a welded rotor of a steam turbine for NPPs
The article considers a method of computer modeling for analyzing the temperature distribution over the cross-section of a welded rotor using heat treatment technology. Keywords: welded rotor, heat treatment, temperature distribution, modeling, heating
PRODUCT QUALITY MANAGEMENT, STANDARDIZATION. ORGANIZATION OF PRODUCTION
UDC 006.01 Budkin Yu. V. — The contribution of scientist V. A. Kazakov to the technical standardization of mechanical engineering
The contribution of scientist Valentin Alekseevich Kazakov to the development of methods of technical standardization in mechanical engineering is investigated, which resulted in the formation of the section "Product Quality Management. Standardization. Organization of Production" in the journals of the publishing house "Tekhnologiya Mashinostroeniya."
The organizational ability to unite scientists, engineers, and technologists for the development of technical standardization in mechanical engineering is revealed. It is shown that the results of publications became the basis for the development of modern enterprise standards (technical specifications) of the machine-building complex for the implementation of scientific and technical solutions, as well as for inclusion in the Federal Information Fund of Standards.