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Title of the article STUDY OF THE INFLUENCE OF VANADIUM MICROALLOYING ON THE STRUCTURE AND MECHANICAL PROPERTIES OF STRUCTURAL STEEL 10ХСНД (10KhSND) AND WELDED JOINTS ON ITS BASIS
Authors

KUDELKO Igor U., Researcher of the Laboratory of Reliability Problems and Metal Intensity of High and Extra-High Capacity Dump Trucks of the R&D Center “Mining Machinery”, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.

SIDORENKO Aleksandr G., Ph. D. in Eng., Head of the Laboratory of Reliability Problems and Metal Intensity of High and Extra-High Capacity Dump Trucks of the R&D Center “Mining Machinery”, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.

In the section MATERIALS SCIENCE IN MECHANICAL ENGINEERING
Year 2025
Issue 1(70)
Pages 74–79
Type of article RAR
Index UDK 669.021
DOI https://doi.org/10.46864/1995-0470-2025-1-70-74-79
Abstract The results of research of vanadium microalloying effect on mechanical properties, structure and hardness of low-alloyed structural steel 10ХСНД (10KhSND) and а welded joint on its basis are presented. It is shown that vanadium microalloying of the steel leads to an increase in the average value of strength limit and yield strength, insignificant increase in relative elongation, impact strength, as well as a change in the course of the tensile curve. At the same time, a significant increase in the impact strength of samples of welded joints made of 10KhSND steel, microalloyed with vanadium, and their microhardness compared with welded samples made of 10KhSND steel in serial version is recorded. There were no changes in the microstructure of both solid and welded samples due to vanadium microalloying.
Keywords low-alloyed structural steel, welded joint, structure, mechanical properties
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