Influence of implantation on the grain size and structural-phase state of UFG-titanium

Alisa Nikonenko, Natalya Popova, Elena Nikonenko, Mark Kalashnikov, Irina Kurzina

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

Abstract

Transmission electron microscopy (TEM) investigations were carried out to study the structural-phase state of ultra-fine grained (UFG) titanium with the average grain size of ∼0.2 and 0.3 μm, implanted with aluminium ions. MEVVA-V.RU ion source was used for ion implantation under room temperature, exposure time of 5.25 h, at ion implantation dosage of 1×1018 ion/cm2. UFG-titanium was obtained by means of multiple uniaxial compacting with multipass rolling in grooved rolls and further annealing at 573 K during 1 hour to reach the average grain size of ∼0.2 μm, and annealing at 623 K during 1 hour to reach the size of ∼0.3 μm. The study revealed that in alloy with the average grain size of ∼0.2 μm implantation results in a decrease in longitudinal grain size of α-Ti (from 1.9 to 0.7 μm), however lateral size in its turn changed insignificantly (from 0.15 to 0.12 μm). Grain anisotropy factor decreased by 3 times. In the alloy with the average grain size of ∼0.3 μm both longitudinal and lateral grain sizes decreased (from 0.33 to 0.19 μm and from 2.1 to 0.8 μm correspondingly). The studies also showed that implantation of titanium with aluminium has led to the formation of a number of phases, such as: β-Ti, TiAl3, Ti3Al, TiC and TiO2. Their places of concentration, sizes, distribution density and volume ratios were determined. TiAl3 and Ti3Al phases were established to be ordered ones, formed within the conditions of ion exposure along the boundaries of α-Ti grains. Conducted calculations demonstrated that implantation contributed to the alloy strengthening, i.e. in alloy with the average grain size of ∼0.2 μm the value of yield stress increased by 2 times, and in the alloy with the average grain size of ∼0.3 μm - by 4 times.

Original languageEnglish
Title of host publicationProceedings of the International Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019
EditorsVictor E. Panin, Sergey G. Psakhie, Vasily M. Fomin
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735419124
DOIs
Publication statusPublished - 19 Nov 2019
EventInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019 - Tomsk, Russian Federation
Duration: 1 Oct 20195 Oct 2019

Publication series

NameAIP Conference Proceedings
Volume2167
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures 2019
CountryRussian Federation
CityTomsk
Period1.10.195.10.19

Fingerprint

implantation
titanium
grain size
ion implantation
aluminum
compacting
ions
annealing
ion sources
dosage
transmission electron microscopy
anisotropy
room temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Nikonenko, A., Popova, N., Nikonenko, E., Kalashnikov, M., & Kurzina, I. (2019). Influence of implantation on the grain size and structural-phase state of UFG-titanium. 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 [020243] (AIP Conference Proceedings; Vol. 2167). American Institute of Physics Inc.. https://doi.org/10.1063/1.5132110

Influence of implantation on the grain size and structural-phase state of UFG-titanium. / Nikonenko, Alisa; Popova, Natalya; Nikonenko, Elena; Kalashnikov, Mark; Kurzina, Irina.

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. 020243 (AIP Conference Proceedings; Vol. 2167).

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

Nikonenko, A, Popova, N, Nikonenko, E, Kalashnikov, M & Kurzina, I 2019, Influence of implantation on the grain size and structural-phase state of UFG-titanium. 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., 020243, 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/10.1063/1.5132110
Nikonenko A, Popova N, Nikonenko E, Kalashnikov M, Kurzina I. Influence of implantation on the grain size and structural-phase state of UFG-titanium. 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. 020243. (AIP Conference Proceedings). https://doi.org/10.1063/1.5132110
Nikonenko, Alisa ; Popova, Natalya ; Nikonenko, Elena ; Kalashnikov, Mark ; Kurzina, Irina. / Influence of implantation on the grain size and structural-phase state of UFG-titanium. 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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