Migration of hydrogen in steel and alloys, stimulated by ionizing radiation

I. P. Chernov, A. P. Mamontov, Yu I. Tyurin, Yu P. Cherdantsev

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A study is made of the behavior of hydrogen in stainless steel and alloys of titanium and vanadium during exposure of the metals to ionizing radiation (accelerated nitrogen ions, γ-quanta). It is shown that the radiation stimulates intensive migration of hydrogen. The cross section of the accelerated ions is 10-16 cm2. This shows that hydrogen is released from traps as a result of excitation of the electronic subsystem and vibrational degrees of freedom of the hydrogen bonds, with the excitation energy subsequently being transferred to the nuclear subsystem. A phenomenological model is proposed to describe the ionization-accelerated migration of hydrogen in metals. Gamma- and electron-stimulated dissociation of hydrogen-containing bonds inside a solid occur by the Mensell - Homer and Auger mechanisms, as well as by nonadiabatic transition and vibrational-translational exchange. The calculated probability of the migration of hydrogen by these mechanisms is found to agree well with the experimental data.

Original languageEnglish
Pages (from-to)1072-1078
Number of pages7
JournalRussian Physics Journal
Volume37
Issue number11
DOIs
Publication statusPublished - Nov 1994

Fingerprint

ionizing radiation
steels
hydrogen
hydrogen bonds
nitrogen ions
metals
vanadium
excitation
stainless steels
titanium
degrees of freedom
traps
dissociation
ionization
cross sections
radiation
electronics
ions
electrons
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Migration of hydrogen in steel and alloys, stimulated by ionizing radiation. / Chernov, I. P.; Mamontov, A. P.; Tyurin, Yu I.; Cherdantsev, Yu P.

In: Russian Physics Journal, Vol. 37, No. 11, 11.1994, p. 1072-1078.

Research output: Contribution to journalArticle

Chernov, I. P. ; Mamontov, A. P. ; Tyurin, Yu I. ; Cherdantsev, Yu P. / Migration of hydrogen in steel and alloys, stimulated by ionizing radiation. In: Russian Physics Journal. 1994 ; Vol. 37, No. 11. pp. 1072-1078.
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