Formation of nanosized intermetallic phases upon high-intensity implantation of aluminum ions into titanium

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Abstract

The chemical and phase compositions, the structure, and the mechanical and tribological properties of titanium surface layers modified by high-intensity aluminum ion implantation with the use of a Raduga-5 vacuum-arc ion beam and plasma flow source are investigated. Ion-alloyed titanium surface layers that contain finely dispersed discrete intermetallic phases TiAl and Ti 3Al, as well as a solid solution of aluminum in titanium, are produced. An increase in the dose of implanted ions from 2.2 × 10 17 to 2.2 × 1018 ions/cm2 leads to an increase in the thickness of the ion-alloyed titanium layer (from 0.4 to 2.6 μm) and in the mean sizes of intermetallic-phase grains (from 20 to 70 nm) and their conglomerates (from 71 to 584 nm). It is shown that the implantation of aluminum ions into titanium results in a considerable increase in the microhardness and the wear resistance of the materials. The maximum microhardness is observed for the titanium sample implanted with aluminum ions at an irradiation dose of 2.2 × 1018 ions/cm2. The inference is made that the structure and phase composition of the ion-alloyed titanium layers affect their mechanical and tribological properties.

Original languageEnglish
Pages (from-to)452-458
Number of pages7
JournalGlass Physics and Chemistry
Volume31
Issue number4
DOIs
Publication statusPublished - 1 Jul 2005

Fingerprint

Titanium
Aluminum
Ion implantation
Intermetallics
intermetallics
implantation
titanium
Ions
aluminum
ions
Phase composition
Microhardness
microhardness
surface layers
mechanical properties
Plasma flow
dosage
magnetohydrodynamic flow
wear resistance
inference

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

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title = "Formation of nanosized intermetallic phases upon high-intensity implantation of aluminum ions into titanium",
abstract = "The chemical and phase compositions, the structure, and the mechanical and tribological properties of titanium surface layers modified by high-intensity aluminum ion implantation with the use of a Raduga-5 vacuum-arc ion beam and plasma flow source are investigated. Ion-alloyed titanium surface layers that contain finely dispersed discrete intermetallic phases TiAl and Ti 3Al, as well as a solid solution of aluminum in titanium, are produced. An increase in the dose of implanted ions from 2.2 × 10 17 to 2.2 × 1018 ions/cm2 leads to an increase in the thickness of the ion-alloyed titanium layer (from 0.4 to 2.6 μm) and in the mean sizes of intermetallic-phase grains (from 20 to 70 nm) and their conglomerates (from 71 to 584 nm). It is shown that the implantation of aluminum ions into titanium results in a considerable increase in the microhardness and the wear resistance of the materials. The maximum microhardness is observed for the titanium sample implanted with aluminum ions at an irradiation dose of 2.2 × 1018 ions/cm2. The inference is made that the structure and phase composition of the ion-alloyed titanium layers affect their mechanical and tribological properties.",
author = "Kurzina, {I. A.} and Bozhko, {I. A.} and Kalashnikov, {Mark Petrovich} and Stepanov, {I. B.} and Ryabchikov, {A. I.} and Sharkeev, {Yu P.} and Kozlov, {E. V.}",
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T1 - Formation of nanosized intermetallic phases upon high-intensity implantation of aluminum ions into titanium

AU - Kurzina, I. A.

AU - Bozhko, I. A.

AU - Kalashnikov, Mark Petrovich

AU - Stepanov, I. B.

AU - Ryabchikov, A. I.

AU - Sharkeev, Yu P.

AU - Kozlov, E. V.

PY - 2005/7/1

Y1 - 2005/7/1

N2 - The chemical and phase compositions, the structure, and the mechanical and tribological properties of titanium surface layers modified by high-intensity aluminum ion implantation with the use of a Raduga-5 vacuum-arc ion beam and plasma flow source are investigated. Ion-alloyed titanium surface layers that contain finely dispersed discrete intermetallic phases TiAl and Ti 3Al, as well as a solid solution of aluminum in titanium, are produced. An increase in the dose of implanted ions from 2.2 × 10 17 to 2.2 × 1018 ions/cm2 leads to an increase in the thickness of the ion-alloyed titanium layer (from 0.4 to 2.6 μm) and in the mean sizes of intermetallic-phase grains (from 20 to 70 nm) and their conglomerates (from 71 to 584 nm). It is shown that the implantation of aluminum ions into titanium results in a considerable increase in the microhardness and the wear resistance of the materials. The maximum microhardness is observed for the titanium sample implanted with aluminum ions at an irradiation dose of 2.2 × 1018 ions/cm2. The inference is made that the structure and phase composition of the ion-alloyed titanium layers affect their mechanical and tribological properties.

AB - The chemical and phase compositions, the structure, and the mechanical and tribological properties of titanium surface layers modified by high-intensity aluminum ion implantation with the use of a Raduga-5 vacuum-arc ion beam and plasma flow source are investigated. Ion-alloyed titanium surface layers that contain finely dispersed discrete intermetallic phases TiAl and Ti 3Al, as well as a solid solution of aluminum in titanium, are produced. An increase in the dose of implanted ions from 2.2 × 10 17 to 2.2 × 1018 ions/cm2 leads to an increase in the thickness of the ion-alloyed titanium layer (from 0.4 to 2.6 μm) and in the mean sizes of intermetallic-phase grains (from 20 to 70 nm) and their conglomerates (from 71 to 584 nm). It is shown that the implantation of aluminum ions into titanium results in a considerable increase in the microhardness and the wear resistance of the materials. The maximum microhardness is observed for the titanium sample implanted with aluminum ions at an irradiation dose of 2.2 × 1018 ions/cm2. The inference is made that the structure and phase composition of the ion-alloyed titanium layers affect their mechanical and tribological properties.

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