Multiscale Deformation of Commercial Titanium and Ti一6Al-4V Alloy Subjected to Electron Beam Surface Treatment

A. V. Panin, M. S. Kazachenok, O. B. Perevalova, E. A. Sinyakova, K. V. Krukovsky, S. A. Martynov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The paper studies the effect of electron beam irradiation on the surface morphology, microstructure, and phase transformations in the surface layers of commercial titanium and titanium alloy Ti-6Nl-4V. It has been found that the plastic deformation of the modified surface layers under uniaxial tension of the studied specimens occurs at several scale levels. The main plastic deformation mechanism of the modified surface layers is shear induced by the maximum tangential stresses. The dislocation deformation mechanisms effectively accommodate the material rotation caused by the displacement of one part of the crystal relative to the other. Noncrystallographic shear banding in the surface layer with a nonequilibrium martensitic structure is associated with plastic lattice distortion and with reversible structural phase transformations.

Original languageEnglish
Pages (from-to)441-451
Number of pages11
JournalPhysical Mesomechanics
Volume21
Issue number5
DOIs
Publication statusPublished - 1 Sep 2018

Fingerprint

Titanium
surface treatment
Surface treatment
Electron beams
surface layers
titanium
electron beams
plastic deformation
phase transformations
Plastic deformation
Phase transitions
shear
titanium alloys
Titanium alloys
Surface morphology
plastics
Irradiation
Plastics
Crystals
microstructure

Keywords

  • commercial titanium
  • deformation
  • electron beam treatment
  • microstructure
  • shear bands
  • structural phase transformations
  • titanium alloy Ti-6Nl-4V

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Surfaces and Interfaces

Cite this

Multiscale Deformation of Commercial Titanium and Ti一6Al-4V Alloy Subjected to Electron Beam Surface Treatment. / Panin, A. V.; Kazachenok, M. S.; Perevalova, O. B.; Sinyakova, E. A.; Krukovsky, K. V.; Martynov, S. A.

In: Physical Mesomechanics, Vol. 21, No. 5, 01.09.2018, p. 441-451.

Research output: Contribution to journalArticle

Panin, A. V. ; Kazachenok, M. S. ; Perevalova, O. B. ; Sinyakova, E. A. ; Krukovsky, K. V. ; Martynov, S. A. / Multiscale Deformation of Commercial Titanium and Ti一6Al-4V Alloy Subjected to Electron Beam Surface Treatment. In: Physical Mesomechanics. 2018 ; Vol. 21, No. 5. pp. 441-451.
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