2_2025_sen_6

Title of the article BENDING TESTS OF 40X13 (40Kh13) STEEL SPECIMENS AFTER LASER HARDENING AND ALLOYING
Authors

VERAMEICHYK Andrey I., Ph. D. in Phys. and Math., Assoc. Prof., Head of the Department of Theoretical and Applied Mechanics, Brest State Technical University, Brest, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

NERODA Mikhail V., Ph. D. in Eng., Assoc. Prof., Vice Rector for Academic Affairs, Brest State Technical University, Brest, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

KHOLODAR Boris G., Ph. D. in Eng., Assoc. Prof., Senior Researcher of the Research Part, Brest State Technical University, Brest, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

KHEUK Maksim V., M. Sc. in Eng., Trainee Lecturer of the Department of Theoretical and Applied Mechanics, Brest State Technical University, Brest, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.
In the section MECHANICAL ENGINEERING MATERIALS AND TECHNOLOGIES
Year 2025
Issue 2(71)
Pages 45–54
Type of article RAR
Index UDK 004.94:620.172
DOI https://doi.org/10.46864/1995-0470-2025-2-71-45-54
Abstract The behavior of flat specimens made of 40X13 (40Kh13) corrosion-resistant steel after laser hardening and laser alloying under bending loading was studied. The processing was performed using a continuousaction ytterbium fiber laser LK-1000 with a scanning system. Tracks 4 mm wide were applied along one or both sides of the specimen, the number of tracks varied from two to six. The tests were carried out on a Kason WDW-50 testing machine. The test results showed that the presence of laser exposure leads to a decrease in the specimen deflection achieved before failure and an increase in the level of the perceived maximum load. The test results of alloyed and hardened specimens showed a decrease in the plasticity of the material after laser processing with a simultaneous increase in the maximum perceived loads, with a more significant change in the material properties obtained with laser hardening. Failure of the specimens has a pronounced brittle nature by tearing off from the action of longitudinal normal stresses. Studies have shown that higher levels of perceived load are achieved with double-sided processing. Specific results depend on the implemented material processing modes.
Keywords laser hardening, laser alloying, bending, testing, processing modes, large deformations
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