Evaluation for notch effect in fatigue limit reliability of high strength steels from meso-scale characteristics (1st report, in case of deep notch under zero mean stress)

Tatsujiro Miyazaki, Hiroshi Noguchi, Masaharu Kage

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A quantitative prediction method for notch effect in fatigue limit reliability of high strength steels with defects or non-metallic inclusions is proposed with a stress concentration and scatter of Vickers hardness and defect size distribution. Especially in this report, the method can be used for a structure with a deep notch under zero mean stress. And fatigue tests of notched specimens are carried out on quenched-tempered 0.5% carbon steels: whose average Vickers hardness is about 600. Comparing a predicted fatigue limit distribution with experimental data, the applicability of the present method is examined and confirmed.

Original languageEnglish
Pages (from-to)373-381
Number of pages9
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume69
Issue number2
Publication statusPublished - Feb 2003

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High strength steel
Vickers hardness
Fatigue of materials
Defects
Carbon steel
Stress concentration

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cite this

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