Examination of Fatigue Characteristics of Aluminum Cast Alloy from Meso-Scale Characteristics (1st Report, Prediction of High-Cycle Fatigue Life Reliability of a Metal with Cracks under R=-1)

Tatsujiro Miyazaki, Hiroshi Noguchi, Hyogyoung Kang, Keisaku Ogi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this paper, a growth rate law of a small fatigue crack is proposed for an arbitrary metal. Moreover, another method is proposed for considering a size distribution of spheroidal defects_cut by the specimen surface. Both methods are used to predict the high-cycle fatigue life reliability with a large scatter due to the defects. Rotating bending fatigue tests are carried out concretely on a kind of Aluminum Cast Alloy with entectic Si, Fe compounds and porosities, Comparing with experimental data, the validity of the present method predicting for fatigue life reliability from a defect is examined and confirmed.

Original languageEnglish
Pages (from-to)1456-1464
Number of pages9
JournalNippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume69
Issue number10
DOIs
Publication statusPublished - Oct 2003

All Science Journal Classification (ASJC) codes

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

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