Formation of a microcomposite structure in the surface layer of yttrium-doped titanium

K. V. Sosnin, S. V. Raikov, V. E. Gromov, Yu F. Ivanov, E. A. Budovskikh, E. S. Vashchuk

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Surface layers containing oxides and carbides of titanium and yttrium are prepared by the electroexplosive doping of titanium with yttrium. The subsequent electron-beam irradiation leads to dispersion of the structure to a nano- and submicron state. The formation of two types of eutectics is revealed using scanning electron microscopy. The eutectics enriched in titanium and yttrium have a globular and plate-like shape, respectively. The formation of a modified surface layer (enriched in yttrium, carbides and oxides of titanium and yttrium) leads to a threefold increase in the microhardness of the titanium, a more than twofold decrease in the friction coefficient of the doped layer, and a more than 2.8-fold decrease in the wear rate.

Original languageEnglish
Pages (from-to)377-382
Number of pages6
JournalJournal of Surface Investigation
Volume9
Issue number2
DOIs
Publication statusPublished - 1 Mar 2015

Fingerprint

Yttrium
Titanium
Eutectics
Carbides
Oxides
Microhardness
Electron beams
Doping (additives)
Wear of materials
Irradiation
Friction
Scanning electron microscopy
titanium dioxide
titanium carbide

Keywords

  • electroexplosive doping with yttrium
  • electron irradiation
  • modified layer
  • titanium

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

Formation of a microcomposite structure in the surface layer of yttrium-doped titanium. / Sosnin, K. V.; Raikov, S. V.; Gromov, V. E.; Ivanov, Yu F.; Budovskikh, E. A.; Vashchuk, E. S.

In: Journal of Surface Investigation, Vol. 9, No. 2, 01.03.2015, p. 377-382.

Research output: Contribution to journalArticle

Sosnin, K. V. ; Raikov, S. V. ; Gromov, V. E. ; Ivanov, Yu F. ; Budovskikh, E. A. ; Vashchuk, E. S. / Formation of a microcomposite structure in the surface layer of yttrium-doped titanium. In: Journal of Surface Investigation. 2015 ; Vol. 9, No. 2. pp. 377-382.
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