Prediction of strength using bending test method

S. F. Wen, W. Z. Yan, X. S. Wang, J. Liu, Z. F. Yue

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

One important method to predict the residual strength and residual life of materials and components is to predict the damage level of the materials. In this paper, two cases have been studied to explore the possibility to determine the damage levels of the materials by the bending test method with the help of the finite element method (FEM). One case uses Gurson model to study the prediction of the elastic-plastic damage. The other case uses a creep damage model, which is based on the Kachanov-Rabothov continuum creep damage law, to predict the creep damage. The analytical results show that the damage level of the damaged materials can be determined by the bending test experimental method.

Original languageEnglish
Pages (from-to)1828-1832
Number of pages5
JournalMaterials and Design
Volume31
Issue number4
DOIs
StatePublished - Apr 2010

Keywords

  • Bending test
  • Creep damage
  • Damage prediction
  • Elastic-plastic damage
  • Finite element method

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