Development of the invariant modeling method for management of the phase structure of the welded materials under low arctic temperatures

Abstract

As a result of heterogeneity of thermal fields during welding the internal structure of seams becomes highly heterogeneous with grain coarsening and microdamages that determines their strength properties. It is necessary to have a theoretical basis for a deeper understanding of the processes of structure formation in welded joints to improve the quality of welded joints particularly at low temperatures. By means of numerical methods an influence of low temperatures on the structural phase features of welded joint formation in gas tungsten - arc welding is considered in this work. A technique for applying the invariant theory to evaluate the structure of the material at the design stage of the technological process for the given welding regimes has been developed. It is shown that the calculation results are in good agreement with the experimental data.

Original language	English
Title of host publication	Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures
Editors	Vasily M. Fomin, Victor E. Panin, Sergey G. Psakhie
Publisher	American Institute of Physics Inc.
Volume	2051
ISBN (Electronic)	9780735417779
DOIs	https://doi.org/10.1063/1.5083391
Publication status	Published - 12 Dec 2018
Event	International Symposium on Hierarchical Materials: Development and Applications for New Technologies and Reliable Structures 2018 - Tomsk, Russian Federation Duration: 1 Oct 2018 → 5 Oct 2018

Conference

Conference	International Symposium on Hierarchical Materials: Development and Applications for New Technologies and Reliable Structures 2018
Country	Russian Federation
City	Tomsk
Period	1.10.18 → 5.10.18

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.5083391

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Krektuleva, R. A., Saraev, Y. N., Perovskaya, M. V., Semenchuk, V. M., Sigagin, M. M., Cherepanov, R. O., & Cherepanov, O. I. (2018). Development of the invariant modeling method for management of the phase structure of the welded materials under low arctic temperatures. In V. M. Fomin, V. E. Panin, & S. G. Psakhie (Eds.), Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures (Vol. 2051). [020148] American Institute of Physics Inc.. https://doi.org/10.1063/1.5083391

Development of the invariant modeling method for management of the phase structure of the welded materials under low arctic temperatures. / Krektuleva, R. A.; Saraev, Yu N.; Perovskaya, M. V.; Semenchuk, V. M.; Sigagin, M. M.; Cherepanov, R. O.; Cherepanov, O. I.

Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. ed. / Vasily M. Fomin; Victor E. Panin; Sergey G. Psakhie. Vol. 2051 American Institute of Physics Inc., 2018. 020148.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Krektuleva, RA, Saraev, YN, Perovskaya, MV, Semenchuk, VM, Sigagin, MM, Cherepanov, RO & Cherepanov, OI 2018, Development of the invariant modeling method for management of the phase structure of the welded materials under low arctic temperatures. in VM Fomin, VE Panin & SG Psakhie (eds), Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. vol. 2051, 020148, American Institute of Physics Inc., International Symposium on Hierarchical Materials: Development and Applications for New Technologies and Reliable Structures 2018, Tomsk, Russian Federation, 1.10.18. https://doi.org/10.1063/1.5083391

Krektuleva RA, Saraev YN, Perovskaya MV, Semenchuk VM, Sigagin MM, Cherepanov RO et al. Development of the invariant modeling method for management of the phase structure of the welded materials under low arctic temperatures. In Fomin VM, Panin VE, Psakhie SG, editors, Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. Vol. 2051. American Institute of Physics Inc. 2018. 020148 https://doi.org/10.1063/1.5083391

Krektuleva, R. A. ; Saraev, Yu N. ; Perovskaya, M. V. ; Semenchuk, V. M. ; Sigagin, M. M. ; Cherepanov, R. O. ; Cherepanov, O. I. / Development of the invariant modeling method for management of the phase structure of the welded materials under low arctic temperatures. Proceedings of the Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures. editor / Vasily M. Fomin ; Victor E. Panin ; Sergey G. Psakhie. Vol. 2051 American Institute of Physics Inc., 2018.

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AB - As a result of heterogeneity of thermal fields during welding the internal structure of seams becomes highly heterogeneous with grain coarsening and microdamages that determines their strength properties. It is necessary to have a theoretical basis for a deeper understanding of the processes of structure formation in welded joints to improve the quality of welded joints particularly at low temperatures. By means of numerical methods an influence of low temperatures on the structural phase features of welded joint formation in gas tungsten - arc welding is considered in this work. A technique for applying the invariant theory to evaluate the structure of the material at the design stage of the technological process for the given welding regimes has been developed. It is shown that the calculation results are in good agreement with the experimental data.

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