Estimation for fatigue limit reliability of a metal with inhomogeneities under stress ratio R = - 1

Tatsujiro Miyazaki, Hiroshi Noguchi, Masaharu Kage, Ryoichi Imai

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this paper, by using statistical characteristics of hardness in a small region and statistical characteristics of mechanical condition in a small region based on a defect size distribution and a certain stress which is applied to a defect, a quantitative prediction method for fatigue limit reliability of a metal with inhomogeneities is proposed. Also rotating bending and push-pull fatigue tests under R = -1 are carried out on quenched-tempered 0.5% carbon steels, whose average hardness is about Hv≃600. Comparing a predicted fatigue limit reliability with experimental data, the applicability of the present proposed method is examined and confirmed.

Original languageEnglish
Pages (from-to)230-250
Number of pages21
JournalInternational Journal of Mechanical Sciences
Volume47
Issue number2
DOIs
Publication statusPublished - Feb 1 2005

Fingerprint

stress ratio
inhomogeneity
hardness
Metals
Fatigue of materials
fatigue tests
carbon steels
defects
Hardness
metals
Defects
Carbon steel
predictions

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Estimation for fatigue limit reliability of a metal with inhomogeneities under stress ratio R = - 1. / Miyazaki, Tatsujiro; Noguchi, Hiroshi; Kage, Masaharu; Imai, Ryoichi.

In: International Journal of Mechanical Sciences, Vol. 47, No. 2, 01.02.2005, p. 230-250.

Research output: Contribution to journalArticle

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