Observation of deep dislocation structures and "long-range effect" in ion-implanted α-Fe

A. N. Didenko, E. V. Kozlov, Yu P. Sharkeev, A. S. Tailashev, Alexander Ilyich Ryabchikov, L. Pranjavichus, L. Augulis

Research output: Contribution to journalArticle

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Abstract

The results of experimental investigations of "long-range effect" by ion implantation into α-Fe are presented. C, Fe, W, Hf and Ar ions were implanted into α-Fe in continuous and pulse-periodic regimes. The ion energy varied in the range 40-150 keV and the irradiation dose varied in the range 1 × 1015-1 × 1018 ions cm-2. It has been established that dislocation structures are formed in the near-surface layer of pure metals by ion implantation. The thickness of the near-surface layers with the dislocation structure induced by ion implantation is in the range 20-100 μm. Stress measurements and calculations in the near-surface layers by ion implantation show that the stresses are considerably greater than the yield strength. The stresses result in the plastic deformation of the near-surface layers of the irradiated materials. The plastic deformation is the main reason for the dislocation structure development.

Original languageEnglish
Pages (from-to)97-104
Number of pages8
JournalSurface and Coatings Technology
Volume56
Issue number2
DOIs
Publication statusPublished - 9 Jan 1993

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Ion implantation
ion implantation
surface layers
Ions
plastic deformation
Plastic deformation
ions
stress measurement
stress analysis
Stress measurement
yield strength
Dosimetry
Yield stress
Metals
Irradiation
dosage
irradiation
pulses
metals
energy

ASJC Scopus subject areas

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

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Observation of deep dislocation structures and "long-range effect" in ion-implanted α-Fe. / Didenko, A. N.; Kozlov, E. V.; Sharkeev, Yu P.; Tailashev, A. S.; Ryabchikov, Alexander Ilyich; Pranjavichus, L.; Augulis, L.

In: Surface and Coatings Technology, Vol. 56, No. 2, 09.01.1993, p. 97-104.

Research output: Contribution to journalArticle

Didenko, A. N. ; Kozlov, E. V. ; Sharkeev, Yu P. ; Tailashev, A. S. ; Ryabchikov, Alexander Ilyich ; Pranjavichus, L. ; Augulis, L. / Observation of deep dislocation structures and "long-range effect" in ion-implanted α-Fe. In: Surface and Coatings Technology. 1993 ; Vol. 56, No. 2. pp. 97-104.
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AU - Tailashev, A. S.

AU - Ryabchikov, Alexander Ilyich

AU - Pranjavichus, L.

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