Fracture toughness prediction of aged CF8M using small punch test

J. Y. Jeon, Yun-Jae Kim, M. Y. Lee, J. W. Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Following Ref., this technical note presents a method to predict the thermal ageing effect on fracture toughness of cast stainless steel CF8M from the small punch test using finite element (FE) damage analysis. A procedure is given to extract tensile properties and multi-axial fracture strain locus of aged CF8M from the small punch test using FE analysis. It is further shown that fracture toughness of aged CF8M can be predicted from the small punch test using FE damage analysis. Comparison with experimental data shows good agreement.

Original languageEnglish
Pages (from-to)1456-1465
Number of pages10
JournalFatigue and Fracture of Engineering Materials and Structures
Volume38
Issue number12
DOIs
Publication statusPublished - 2015 Dec 1
Externally publishedYes

Fingerprint

Fracture toughness
Thermal aging
Stainless Steel
Tensile properties
Stainless steel
Finite element method

Keywords

  • cast stainless steel CF8M
  • finite element damage analysis
  • J-R curve prediction
  • multi-axial fracture strain locus
  • small punch test

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

Fracture toughness prediction of aged CF8M using small punch test. / Jeon, J. Y.; Kim, Yun-Jae; Lee, M. Y.; Kim, J. W.

In: Fatigue and Fracture of Engineering Materials and Structures, Vol. 38, No. 12, 01.12.2015, p. 1456-1465.

Research output: Contribution to journalArticle

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