Role of curvature of the surface layer of titanium polycrystals in generation and development of fatigue fracture

V. E. Panin, T. F. Elsukova, Yu F. Popkova, Yu I. Pochivalov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The multilevel approach of physical mesomechanics was used to study the fundamental role of curvature of the crystal structure in nonlinear behavior and fracture under cyclic loading of titanium BT1-0, which has polymorphic transformation hcp-bcc. Experimental confirmation of the mechanism of fatigue cracking at fracture of a solid as structural-phase decomposition of the crystal structure in local curvature zones of macroscale level where a non-equilibrium thermodynamic Gibbs potential is higher than zero, was obtained.

Original languageEnglish
Pages (from-to)148-153
Number of pages6
JournalProblems of Atomic Science and Technology
Volume96
Issue number2
Publication statusPublished - 2015

Fingerprint

Polycrystals
polycrystals
Titanium
surface layers
titanium
Crystal structure
curvature
Fatigue of materials
nonequilibrium thermodynamics
crystal structure
Thermodynamics
Decomposition
decomposition

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Nuclear and High Energy Physics
  • Radiation

Cite this

Role of curvature of the surface layer of titanium polycrystals in generation and development of fatigue fracture. / Panin, V. E.; Elsukova, T. F.; Popkova, Yu F.; Pochivalov, Yu I.

In: Problems of Atomic Science and Technology, Vol. 96, No. 2, 2015, p. 148-153.

Research output: Contribution to journalArticle

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