Concentration-Dependent Transformation Plasticity Effect During Hydrogenation of Technically Pure Titanium Irradiated with an Electron Beam

O. B. Perevalova, A. V. Panin, M. S. Kazachenok

Research output: Contribution to journalArticle

Abstract

Using the methods of X-ray diffraction analysis, the concentration-dependent transformation plasticity effect +TPE) is investigated during hydrogenation of the technically pure titanium (VT1-0) irradiated on one side with a low-energy high-current electron beam in a SOLO facility using three 50 μs pulses at the pulse repetition frequency 0.3 s –1 and the beam energy density W = 18 J/cm 2 . Its irradiation is performed in an argon atmosphere at the residual pressure 0.02 Pa. It is found out that the concentration-dependent TPE in the course of hydrogenation is due to the low stability state of the α-Ti crystal lattice formed in the specimen surface layer upon its e-beam irradiation. Relaxation of the elastic plane macrostresses occurs as a result of the development of concentration inhomogeneity of hydrogen or formation of α″-Ti and ω-Ti martensitic phases.

Original languageEnglish
Pages (from-to)1992-2000
Number of pages9
JournalRussian Physics Journal
Volume61
Issue number11
DOIs
Publication statusPublished - 15 Mar 2019

Fingerprint

plastic properties
hydrogenation
titanium
electron beams
irradiation
pulses
crystal lattices
high current
repetition
surface layers
inhomogeneity
flux density
argon
atmospheres
hydrogen
diffraction
x rays
energy

Keywords

  • concentration inhomogeneity of hydrogen
  • full mean square displacement of atoms
  • low-energy high-current electron beam
  • low-stability states of α-Ti crystal lattice
  • residual macrostresses
  • technical-purity titanium VT1-0
  • X-ray structure analysis
  • α″-Ti and ω-Ti phases

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Concentration-Dependent Transformation Plasticity Effect During Hydrogenation of Technically Pure Titanium Irradiated with an Electron Beam. / Perevalova, O. B.; Panin, A. V.; Kazachenok, M. S.

In: Russian Physics Journal, Vol. 61, No. 11, 15.03.2019, p. 1992-2000.

Research output: Contribution to journalArticle

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