Assessment of fatigue crack growth data available for materials from Portuguese bridges based on UniGrow model

N. Nik Abdullah, José F O Correia, Abílio M P De Jesus, Mohammad Hadi Hafezi, Shahrum Abdullah

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

3 Citations (Scopus)

Abstract

Fatigue crack growth models based on elastic-plastic stress-strain histories at the crack tip region and strain-life damage models have been proposed. The UniGrow model fits this particular class of fatigue crack propagation models. The residual stresses developed at the crack tip play a central role in these models, since they are used to assess the actual crack driving force, taking into account mean stress and loading sequential effects. The performance of the UniGrow model is assessed based on available experimental constant amplitude crack propagation data, derived for several metallic materials from representative Portuguese bridges. Key issues in fatigue crack growth prediction, using the UniGrow model, are discussed, in particular the residual stress computation.

Original languageEnglish
Title of host publicationProcedia Engineering
Pages971-976
Number of pages6
Volume10
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event11th International Conference on the Mechanical Behavior of Materials, ICM11 - Como, Italy
Duration: 5 Jun 20119 Jun 2011

Other

Other11th International Conference on the Mechanical Behavior of Materials, ICM11
CountryItaly
CityComo
Period5/6/119/6/11

Fingerprint

Fatigue crack propagation
Crack tips
Residual stresses
Crack propagation
Plastics
Cracks

Keywords

  • Crack propagation
  • Finite element analysis
  • Portuguese trezoi bridge steels
  • Residual stresses
  • UniGrow model

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Abdullah, N. N., Correia, J. F. O., De Jesus, A. M. P., Hafezi, M. H., & Abdullah, S. (2011). Assessment of fatigue crack growth data available for materials from Portuguese bridges based on UniGrow model. In Procedia Engineering (Vol. 10, pp. 971-976) https://doi.org/10.1016/j.proeng.2011.04.160

Assessment of fatigue crack growth data available for materials from Portuguese bridges based on UniGrow model. / Abdullah, N. Nik; Correia, José F O; De Jesus, Abílio M P; Hafezi, Mohammad Hadi; Abdullah, Shahrum.

Procedia Engineering. Vol. 10 2011. p. 971-976.

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

Abdullah, NN, Correia, JFO, De Jesus, AMP, Hafezi, MH & Abdullah, S 2011, Assessment of fatigue crack growth data available for materials from Portuguese bridges based on UniGrow model. in Procedia Engineering. vol. 10, pp. 971-976, 11th International Conference on the Mechanical Behavior of Materials, ICM11, Como, Italy, 5/6/11. https://doi.org/10.1016/j.proeng.2011.04.160
Abdullah, N. Nik ; Correia, José F O ; De Jesus, Abílio M P ; Hafezi, Mohammad Hadi ; Abdullah, Shahrum. / Assessment of fatigue crack growth data available for materials from Portuguese bridges based on UniGrow model. Procedia Engineering. Vol. 10 2011. pp. 971-976
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