The effects of high-energy influence on the structure and fatigue life of VT6 titanium alloy and its welded joint

A. S. Smirnova, Yu I. Pochivalov, V. E. Panin, A. V. Nasonovskaya, A. G. Malikov, A. M. Orishich

Division for Materials Science

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

Abstract

In this study, a new surface treatment method was applied to laser welded joints of a high-strength VT6 titanium alloy. After welding, the welded joints were exposed to high energy electric pulse treatment in combination with ultrasonic forging. Ultrasonic forging creates a high-defect structure with high curvature of the crystal lattice in the surface layer, as evidenced by the appearance of extinction contours. The total number of cycles to failure is 8,700 for the samples untreated after welding and 29,400 for the treated samples, which indicates a significant increase in the fatigue life of the welded joint.

Original language	English
Title of host publication	Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019
Editors	Victor E. Panin, Sergey G. Psakhie, Vasily M. Fomin
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735419124
DOIs	https://doi.org/10.1063/1.5132209
Publication status	Published - 19 Nov 2019
Event	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 - Tomsk, Russian Federation Duration: 1 Oct 2019 → 5 Oct 2019

Publication series

Name	AIP Conference Proceedings
Volume	2167
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019
Country	Russian Federation
City	Tomsk
Period	1.10.19 → 5.10.19

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ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Smirnova, A. S., Pochivalov, Y. I., Panin, V. E., Nasonovskaya, A. V., Malikov, A. G., & Orishich, A. M. (2019). The effects of high-energy influence on the structure and fatigue life of VT6 titanium alloy and its welded joint. In V. E. Panin, S. G. Psakhie, & V. M. Fomin (Eds.), Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 [020342] (AIP Conference Proceedings; Vol. 2167). American Institute of Physics Inc.. https://doi.org/10.1063/1.5132209

The effects of high-energy influence on the structure and fatigue life of VT6 titanium alloy and its welded joint. / Smirnova, A. S.; Pochivalov, Yu I.; Panin, V. E.; Nasonovskaya, A. V.; Malikov, A. G.; Orishich, A. M.

Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019. ed. / Victor E. Panin; Sergey G. Psakhie; Vasily M. Fomin. American Institute of Physics Inc., 2019. 020342 (AIP Conference Proceedings; Vol. 2167).

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

Smirnova, AS, Pochivalov, YI, Panin, VE, Nasonovskaya, AV, Malikov, AG & Orishich, AM 2019, The effects of high-energy influence on the structure and fatigue life of VT6 titanium alloy and its welded joint. in VE Panin, SG Psakhie & VM Fomin (eds), Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019., 020342, AIP Conference Proceedings, vol. 2167, American Institute of Physics Inc., International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019, Tomsk, Russian Federation, 1.10.19. https://doi.org/10.1063/1.5132209

Smirnova AS, Pochivalov YI, Panin VE, Nasonovskaya AV, Malikov AG, Orishich AM. The effects of high-energy influence on the structure and fatigue life of VT6 titanium alloy and its welded joint. In Panin VE, Psakhie SG, Fomin VM, editors, Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019. American Institute of Physics Inc. 2019. 020342. (AIP Conference Proceedings). https://doi.org/10.1063/1.5132209

Smirnova, A. S. ; Pochivalov, Yu I. ; Panin, V. E. ; Nasonovskaya, A. V. ; Malikov, A. G. ; Orishich, A. M. / The effects of high-energy influence on the structure and fatigue life of VT6 titanium alloy and its welded joint. Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019. editor / Victor E. Panin ; Sergey G. Psakhie ; Vasily M. Fomin. American Institute of Physics Inc., 2019. (AIP Conference Proceedings).

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abstract = "In this study, a new surface treatment method was applied to laser welded joints of a high-strength VT6 titanium alloy. After welding, the welded joints were exposed to high energy electric pulse treatment in combination with ultrasonic forging. Ultrasonic forging creates a high-defect structure with high curvature of the crystal lattice in the surface layer, as evidenced by the appearance of extinction contours. The total number of cycles to failure is 8,700 for the samples untreated after welding and 29,400 for the treated samples, which indicates a significant increase in the fatigue life of the welded joint.",

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AB - In this study, a new surface treatment method was applied to laser welded joints of a high-strength VT6 titanium alloy. After welding, the welded joints were exposed to high energy electric pulse treatment in combination with ultrasonic forging. Ultrasonic forging creates a high-defect structure with high curvature of the crystal lattice in the surface layer, as evidenced by the appearance of extinction contours. The total number of cycles to failure is 8,700 for the samples untreated after welding and 29,400 for the treated samples, which indicates a significant increase in the fatigue life of the welded joint.

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Access to Document

10.1063/1.5132209