A numerical simulation of the nucleation and evolution of localized plastic deformation in welded low-carbon steel specimens

V. A. Romanova, Ruslan Revovich Balokhonov

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A numerical simulation of the nucleation and evolution of localized plastic deformation in welded low-carbon steel specimens was performed. A mathematical model based on a double-limit yield criterion was constructed to describe the propagation of Liiders bands. The behavior of 3D welded specimens characterized by a gradual or a stepwise change in the mechanical properties of the material in the heat-affected zone was investigated. The plastic deformation evolution pattern in the welded specimens was shown to depend on the mechanical characteristics of the material in the heat-affected zone and on the stress level near the grips of the testing machine and at the interfaces between the weld, heat-affected zone and base metal.

Original languageEnglish
Pages (from-to)66-73
Number of pages8
JournalPhysical Mesomechanics
Volume12
Issue number1-2
DOIs
Publication statusPublished - 2009
Externally publishedYes

Fingerprint

low carbon steels
heat affected zone
Low carbon steel
Heat affected zone
plastic deformation
Plastic deformation
Nucleation
nucleation
Computer simulation
simulation
test equipment
mathematical models
Welds
Metals
mechanical properties
Mathematical models
Mechanical properties
propagation
Testing
metals

Keywords

  • Lüders bands
  • numerical simulation
  • stress concentration
  • stress-strain state
  • welded joints

ASJC Scopus subject areas

  • Mechanics of Materials
  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

A numerical simulation of the nucleation and evolution of localized plastic deformation in welded low-carbon steel specimens. / Romanova, V. A.; Balokhonov, Ruslan Revovich.

In: Physical Mesomechanics, Vol. 12, No. 1-2, 2009, p. 66-73.

Research output: Contribution to journalArticle

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