Analysis of Strain Hardening Mechanisms for Steel with a Bainitic Structure

V. E. Gromov, E. N. Nikitina, Y. F. Ivanov, K. V. Aksenova

Research output: Contribution to journalArticle

Abstract

Transmission electron diffraction microscopy is used to analyze strain hardening of steel with a bainitic structure. Contributions to strengthening are considered for lattice friction, interphase boundaries, dislocation substructure, carbide phases, alloying element atoms, and remote stress fields. It is established that substructural and solid solution strengthening make the greatest contributions. The reason for steel loss of strength with large degrees of deformation is connected with activation of deformation microtwinning.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalMetallurgist
Volume61
Issue number3-4
DOIs
Publication statusAccepted/In press - 14 Aug 2017

Fingerprint

strain hardening
Steel
Strain hardening
steels
Alloying elements
substructures
Electron diffraction
carbides
stress distribution
alloying
Carbides
Solid solutions
Microscopic examination
solid solutions
friction
electron diffraction
Chemical activation
activation
Friction
microscopy

Keywords

  • bainite
  • microtwinning
  • strengthening mechanism

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

Cite this

Analysis of Strain Hardening Mechanisms for Steel with a Bainitic Structure. / Gromov, V. E.; Nikitina, E. N.; Ivanov, Y. F.; Aksenova, K. V.

In: Metallurgist, Vol. 61, No. 3-4, 14.08.2017, p. 1-8.

Research output: Contribution to journalArticle

Gromov, V. E. ; Nikitina, E. N. ; Ivanov, Y. F. ; Aksenova, K. V. / Analysis of Strain Hardening Mechanisms for Steel with a Bainitic Structure. In: Metallurgist. 2017 ; Vol. 61, No. 3-4. pp. 1-8.
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