Effect of Lüders strain on engineering crack opening displacement estimations for leak-before-break analysis: Finite element study

Y. J. Kim, N. S. Huh, Y. J. Kim

研究成果: Article査読

9 被引用数 (Scopus)

抄録

As a companion paper to our previous paper [Fatigue Fract. Engng Mater. Struct. 24, 243-254], this note provides further validation on the engineering crack opening displacement (COD) estimation equation based on the enhanced reference stress method against three-dimensional, elastic-plastic finite element (FE) results using actual tensile data of three typical ferritic steels exhibiting a wide range of Lüders strain. Furthermore, the resulting FE results are also compared with the GE/EPRI COD predictions. It is found that the proposed enhanced reference stress method gives overall more accurate and robust COD results than the GE/EPRI method, compared with the FE results.

本文言語English
ページ(範囲)617-623
ページ数7
ジャーナルFatigue and Fracture of Engineering Materials and Structures
24
9
DOI
出版ステータスPublished - 2001 9

ASJC Scopus subject areas

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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