Fatigue failure stages of VT1-0 titanium in different structural states. Study by acoustic emission method

O. V. Bashkov, Yu P. Sharkeev, S. V. Panin, V. A. Kim, T. I. Bashkova, A. A. Popkova, A. Yu Eroshenko, A. I. Tolmachev

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The paper studies the kinetics of fatigue damage accumulation in VT1-0 titanium by the acoustic emission (AE) method. Technical grade titanium VT1-0 in various structural states was tested under cyclic bending. Submicrocrystalline Ti-specimens (SMC, with subgrain size of 200-300 nm) were fabricated by equal channel angular pressing (ECAP) from polycrystalline titanium. Ingots with ultrafine grain structure (UFG, with structure element size of 1-2 μm) and coarse grain structure (CG, with structure element size of 20-30 μm) were prepared by annealing at different temperatures. Fatigue stages were identified by analyzing the AE signal parameters with their classification by the source type (dislocations, micro-and macrocracks). It was revealed that the specimens with a smaller grain size are of higher fatigue durability, while AE signals at the stages of yielding and microcracking are detected later because of their low energy.

Original languageEnglish
Title of host publicationAdvanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
Subtitle of host publicationProceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
PublisherAmerican Institute of Physics Inc.
Volume1783
ISBN (Electronic)9780735414457
DOIs
Publication statusPublished - 10 Nov 2016
EventInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 - Tomsk, Russian Federation
Duration: 19 Sep 201623 Sep 2016

Conference

ConferenceInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016
CountryRussian Federation
CityTomsk
Period19.9.1623.9.16

Fingerprint

acoustic emission
titanium
ingots
pressing
durability
grade
grain size
damage
annealing
kinetics
temperature
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Bashkov, O. V., Sharkeev, Y. P., Panin, S. V., Kim, V. A., Bashkova, T. I., Popkova, A. A., ... Tolmachev, A. I. (2016). Fatigue failure stages of VT1-0 titanium in different structural states. Study by acoustic emission method. In Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016 (Vol. 1783). [020013] American Institute of Physics Inc.. https://doi.org/10.1063/1.4966306

Fatigue failure stages of VT1-0 titanium in different structural states. Study by acoustic emission method. / Bashkov, O. V.; Sharkeev, Yu P.; Panin, S. V.; Kim, V. A.; Bashkova, T. I.; Popkova, A. A.; Eroshenko, A. Yu; Tolmachev, A. I.

Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Vol. 1783 American Institute of Physics Inc., 2016. 020013.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bashkov, OV, Sharkeev, YP, Panin, SV, Kim, VA, Bashkova, TI, Popkova, AA, Eroshenko, AY & Tolmachev, AI 2016, Fatigue failure stages of VT1-0 titanium in different structural states. Study by acoustic emission method. in Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. vol. 1783, 020013, American Institute of Physics Inc., International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016, Tomsk, Russian Federation, 19.9.16. https://doi.org/10.1063/1.4966306
Bashkov OV, Sharkeev YP, Panin SV, Kim VA, Bashkova TI, Popkova AA et al. Fatigue failure stages of VT1-0 titanium in different structural states. Study by acoustic emission method. In Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Vol. 1783. American Institute of Physics Inc. 2016. 020013 https://doi.org/10.1063/1.4966306
Bashkov, O. V. ; Sharkeev, Yu P. ; Panin, S. V. ; Kim, V. A. ; Bashkova, T. I. ; Popkova, A. A. ; Eroshenko, A. Yu ; Tolmachev, A. I. / Fatigue failure stages of VT1-0 titanium in different structural states. Study by acoustic emission method. Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016: Proceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2016. Vol. 1783 American Institute of Physics Inc., 2016.
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AU - Sharkeev, Yu P.

AU - Panin, S. V.

AU - Kim, V. A.

AU - Bashkova, T. I.

AU - Popkova, A. A.

AU - Eroshenko, A. Yu

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N2 - The paper studies the kinetics of fatigue damage accumulation in VT1-0 titanium by the acoustic emission (AE) method. Technical grade titanium VT1-0 in various structural states was tested under cyclic bending. Submicrocrystalline Ti-specimens (SMC, with subgrain size of 200-300 nm) were fabricated by equal channel angular pressing (ECAP) from polycrystalline titanium. Ingots with ultrafine grain structure (UFG, with structure element size of 1-2 μm) and coarse grain structure (CG, with structure element size of 20-30 μm) were prepared by annealing at different temperatures. Fatigue stages were identified by analyzing the AE signal parameters with their classification by the source type (dislocations, micro-and macrocracks). It was revealed that the specimens with a smaller grain size are of higher fatigue durability, while AE signals at the stages of yielding and microcracking are detected later because of their low energy.

AB - The paper studies the kinetics of fatigue damage accumulation in VT1-0 titanium by the acoustic emission (AE) method. Technical grade titanium VT1-0 in various structural states was tested under cyclic bending. Submicrocrystalline Ti-specimens (SMC, with subgrain size of 200-300 nm) were fabricated by equal channel angular pressing (ECAP) from polycrystalline titanium. Ingots with ultrafine grain structure (UFG, with structure element size of 1-2 μm) and coarse grain structure (CG, with structure element size of 20-30 μm) were prepared by annealing at different temperatures. Fatigue stages were identified by analyzing the AE signal parameters with their classification by the source type (dislocations, micro-and macrocracks). It was revealed that the specimens with a smaller grain size are of higher fatigue durability, while AE signals at the stages of yielding and microcracking are detected later because of their low energy.

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