The effect of cyclic hardening model on deformation behavior of cracked body under creep-fatigue loading condition

Hyun Woo Jung, Yun Jae Kim, Yukio Takahashi, Kamran Nikbin, Catrin M. Davies, Robert A. Ainsworth

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this study, to determine appropriate cyclic hardening model for simulating creep-fatigue crack growth, sensitivity of hardening model on global/local deformation behavior during creep-fatigue crack growth is studied using finite element (FE) debonding analysis method. Three hardening models derived from tensile stress-strain curve to treat large strain near crack are considered in this study: isotropic hardening model, kinematic hardening model and combined hardening model. Simulation results indicate that cyclic hardening model does not make large difference in global deformation behavior but make difference in local deformation behavior. The effect of hardening model on inelastic strain and stress near crack are discussed in detail.

Original languageEnglish
Title of host publicationMaterials and Fabrication
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791883860
DOIs
Publication statusPublished - 2020
EventASME 2020 Pressure Vessels and Piping Conference, PVP 2020 - Virtual, Online
Duration: 2020 Aug 3 → …

Publication series

NameAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume6
ISSN (Print)0277-027X

Conference

ConferenceASME 2020 Pressure Vessels and Piping Conference, PVP 2020
CityVirtual, Online
Period20/8/3 → …

Keywords

  • Crack
  • Creep-fatigue
  • Cyclic hardening model
  • Deformation

ASJC Scopus subject areas

  • Mechanical Engineering

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