Introduction of hydrogen into titanium by plasma methods

Research output: Contribution to journalConference article

Abstract

The introduction of hydrogen into titanium VT1-0 by the methods of plasma-immersion ion implantation (PIII) from the hydrogen plasma of a source with a heated cathode and into high-frequency discharge (HFD) plasma was studied. Modes of installations for introduction are chosen proceeding from the requirement of the maximum content of hydrogen in the samples. It is established that saturation from the HFD-plasma leads to a significant enrichment to a depth of 1.2 μm, at the introduction of hydrogen by the PIII this depth is 0.6 μm. The hydrogen content of 0.06 wt.% in the samples after saturation in the HFD plasma, and 0.049 wt.% after PIII. During PIIII (with an energy of 0.9-1.5 keV), hydrogen is strongly scattered by the surface of the sample and is captured predominantly by surface defects (including those created by the ions themselves), as well as by vacancies in the near-surface layers. Upon saturation from the HFD-plasma, hydrogen diffuses into the interior of the sample and settles in interstices and at grain boundaries. At the same time, saturation from the HFD plasma and PIII lead to significant change in the crystal parameters and the creation of hydride phases.

Original languageEnglish
Article number032045
JournalJournal of Physics: Conference Series
Volume1115
Issue number3
DOIs
Publication statusPublished - 27 Nov 2018
Event6th International Congress on Energy Fluxes and Radiation Effects 2018, EFRE 2018 - Tomsk, Russian Federation
Duration: 16 Sep 201822 Sep 2018

Fingerprint

plasma jets
titanium
submerging
ion implantation
saturation
hydrogen
hydrogen plasma
interstices
surface defects
hydrides
installing
surface layers
grain boundaries
cathodes
requirements
crystals
ions
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Introduction of hydrogen into titanium by plasma methods. / Nikitenkov, N. N.; Daulethanov, E. D.; Tyurin, Yu I.; Zhang, Le; Sivin, D. O.; Sypchenko, V. S.; Syrtanov, M. S.

In: Journal of Physics: Conference Series, Vol. 1115, No. 3, 032045, 27.11.2018.

Research output: Contribution to journalConference article

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