The structure of the surface layer in titanium VT1-0 after high-cycle fatigue tests

S. Konovalov, I. Komissarova, X. Chen, A. Feoktistov, D. Kosinov, V. Gromov, Yu Ivanov

Research output: Contribution to journalConference article

Abstract

Using the methods of optical and scanning electron microscopy, transformations that occur in the structure of commercially pure titanium VT1-0 subjected to electric-current pulse treatment and high-cycle fatigue testing to failure, were analyzed. The paper reports that as a result of the energy impact on the samples, its fatigue life increases by a factor of 1.3. It is revealed that the improvement of the fatigue life is possible due to the change in the size of crystallites in α-titanium, as well as to the decreased number of internal stress field concentrators in the surface layer.

Original languageEnglish
Article number012075
JournalIOP Conference Series: Materials Science and Engineering
Volume447
Issue number1
DOIs
Publication statusPublished - 21 Nov 2018
EventOpen School-Conference of NIS Countries on Ultrafine Grained and Nanostructured Materials 2018, UFGNM 2018 - Ufa, Bashkortostan Republic, Russian Federation
Duration: 1 Oct 20185 Oct 2018

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Titanium
Fatigue of materials
Fatigue testing
Electric currents
Crystallites
Residual stresses
Scanning electron microscopy

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

The structure of the surface layer in titanium VT1-0 after high-cycle fatigue tests. / Konovalov, S.; Komissarova, I.; Chen, X.; Feoktistov, A.; Kosinov, D.; Gromov, V.; Ivanov, Yu.

In: IOP Conference Series: Materials Science and Engineering, Vol. 447, No. 1, 012075, 21.11.2018.

Research output: Contribution to journalConference article

Konovalov, S. ; Komissarova, I. ; Chen, X. ; Feoktistov, A. ; Kosinov, D. ; Gromov, V. ; Ivanov, Yu. / The structure of the surface layer in titanium VT1-0 after high-cycle fatigue tests. In: IOP Conference Series: Materials Science and Engineering. 2018 ; Vol. 447, No. 1.
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