Finite element analysis of the creep damage indentation testing with flat indenter

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Abstract

The creep indentation testing with cylindrical flat indenters has been simulated by the finite element method with special attention on the creep damage of the indented materials. For the equivalent-stress-controlled-damage materials, the user subroutine Creep has been programmed for Abaqus, which is used to analyze the one-phase half-infinite material and thin-film/substrate material systems. It is found that the creep indentation depth rate is influenced by the damage parameters of the indented materials as well as the size of the indenters and the ratio of the indenter size to thickness of the thin film. It is a possible, like that of the non-damage creep indentation experiments, to obtain the creep damage law of the indented materials from the creep damage indentation testing.

Original languageEnglish
Pages (from-to)15-18
Number of pages4
JournalJinshu Xuebao/Acta Metallurgica Sinica
Volume41
Issue number1
StatePublished - Jan 2005

Keywords

  • Creep damage
  • Creep indentation testing
  • Finite element method
  • One-phase half-infinite material
  • Thin film/substrate system

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