The structure - phase state and microhardness of the surface layer of the VT1-0 titanium alloys treated by copper ions

M. V. Fedorischeva, M. P. Kalashnikov, A. V. Nikonenko, I. A. Bozhko, V. P. Sergeev

Research output: Contribution to journalArticle

Abstract

The phase composition, the structure and the morphology of the surface of the VT1-0 titanium modified by copper ions with an energy of ∼0.5 … 2.5 keV and an ion current density of ∼2 … 20 mA/cm2 have been investigated by X-ray, SEM and TEM. It has been established that there are the intermetallic phases of the Cu-Ti equilibrium diagram in the surface layer during the treatment of the VT-10 titanium by copper ions. The modified surface layer in the cross section is divided into two layers up to 1 μm and from 1 μm up to 4.5–5.0 μm in thickness depending on the treatment time. Two-level micro and nanoporous nanocrystalline structure is formed in modified layer. It has been found that the phase structure and the morphology of the surface layers of the VT1-0 alloys depend on the treatment time.

Original languageEnglish
Pages (from-to)150-155
Number of pages6
JournalVacuum
Volume149
DOIs
Publication statusPublished - 1 Mar 2018

Fingerprint

titanium alloys
Phase structure
Titanium alloys
Microhardness
microhardness
Copper
surface layers
Ions
copper
titanium
Titanium
nanostructure (characteristics)
ions
ion currents
intermetallics
phase diagrams
Phase composition
current density
Intermetallics
transmission electron microscopy

Keywords

  • Microhardness
  • Modification
  • Structure-phase state
  • Titanium
  • Treatment

ASJC Scopus subject areas

  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films

Cite this

The structure - phase state and microhardness of the surface layer of the VT1-0 titanium alloys treated by copper ions. / Fedorischeva, M. V.; Kalashnikov, M. P.; Nikonenko, A. V.; Bozhko, I. A.; Sergeev, V. P.

In: Vacuum, Vol. 149, 01.03.2018, p. 150-155.

Research output: Contribution to journalArticle

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AU - Bozhko, I. A.

AU - Sergeev, V. P.

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