Thermal Stability of the Structure and Phase Composition of Titanium Treated with Compression Plasma Flows

V. I. Shymanski, N. N. Cherenda, V. V. Uglov, V. M. Astashynski, A. M. Kuzmitski

Research output: Contribution to journalArticle

Abstract

The results of studying the structure and phase composition of the surface layer of commercial pure VT1-0 titanium treated with compression plasma flows in nitrogen atmosphere and annealed in the temperature range of 400–900°C for 1 h are presented. Using the X-ray diffraction method, the α-Ti(O) solid solution is found to form in the titanium surface layer at 500°C, without pretreatment with plasma, and to transform into the titanium oxide TiO2 (rutile) phase at 600°C. Pretreatment of titanium with compression plasma flows promotes the formation of α-Ti(N) solid solution decreasing the rate of surface oxidation and increasing the initial temperature of rutile formation to 700°C, which indicates enhancement of the thermal stability of this structure.

Original languageEnglish
Pages (from-to)710-716
Number of pages7
JournalJournal of Surface Investigation
Volume12
Issue number4
DOIs
Publication statusPublished - 1 Jul 2018

Fingerprint

Plasma flow
Titanium
Phase composition
Thermodynamic stability
Solid solutions
Titanium oxides
Nitrogen
Plasmas
X ray diffraction
Oxidation
Temperature
titanium dioxide

Keywords

  • compression plasma flows
  • oxidation
  • phase composition
  • rutile
  • thermal annealing
  • titanium
  • titanium oxide

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

Thermal Stability of the Structure and Phase Composition of Titanium Treated with Compression Plasma Flows. / Shymanski, V. I.; Cherenda, N. N.; Uglov, V. V.; Astashynski, V. M.; Kuzmitski, A. M.

In: Journal of Surface Investigation, Vol. 12, No. 4, 01.07.2018, p. 710-716.

Research output: Contribution to journalArticle

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