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Research of prospective welding technologies, materials and equipment based on natural climatic tests in natural cold conditions
https://doi.org/10.22349/1994-6716-2024-120-4-113-123
Abstract
The character of the stress condition, physical-mechanical and structural properties of mild steel welded joints made in cold ambient conditions were studied. Welded samples were obtained by MMA using electrodes UONI-13/MOROZ, KHOBEX-K-54, LB-52TRU. The studies were conducted within the framework of full-scale climatic tests under natural cold conditions of welding equipment and materials. It is shown that when welded under cold conditions, the level of tensile residual welding stresses increases by an average of 40–50% compared to welding at room temperature. Welding in cold ambient conditions revealed features of structure and mechanical properties. Methods of climatic test of welding materials and equipment in cold ambient conditions have been developed.
Keywords
welds,
structural steel,
welding technologies,
welding materials,
climatic tests,
properties,
structure
Supporting agencies: The work was carried out with the financial support of the Ministry of Education and Science of the Russian Federation within the framework of the state assignment No EGISU NIOKTR 1023031300029-4-2.3.1 (FRWS-2024-0034) and using the scientific equipment of the Center for Collective Use of the Federal Research Center of the Yakut Scientific Center of the Siberian Branch of the Russian Academy of Sciences
About the Authors
N. I. Golikov
Larionov Institute of Physical and Technical Problems of the North SB RAS
Russian Federation
Russian Federation
Dr Sc. (Eng).
1 Oktiabrskaya St, 677980 Yakutsk
Yu. N. Saraev
Larionov Institute of Physical and Technical Problems of the North SB RAS
Russian Federation
Russian Federation
Dr Sc. (Eng).
1 Oktiabrskaya St, 677980 Yakutsk
M. M. Sidorov
Larionov Institute of Physical and Technical Problems of the North SB RAS
Russian Federation
Russian Federation
Cand Sc. (Eng).
1 Oktiabrskaya St, 677980 Yakutsk
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Review
For citations:
Golikov N.I., Saraev Yu.N., Sidorov M.M. Research of prospective welding technologies, materials and equipment based on natural climatic tests in natural cold conditions. Voprosy Materialovedeniya. 2024;(4(120)):113-123. (In Russ.) https://doi.org/10.22349/1994-6716-2024-120-4-113-123
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