Examination of fatigue characteristics of aluminum cast alloy from meso-level consideration (2nd report, prediction for the fatigue limit reliability of plain specimen of metal containing different sorts of inhomogenities under R=-1)

Tatsujiro Miyazaki, Hiroshi Noguchi, Keisaku Ogi, Yuta Aono

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

In this paper, a quantitative prediction method for the fatigue limit reliability of metal with different sorts of inhomogenities is proposed. The method is based on the stress-strength model which consists of "statistical characteristics of hardness in a small region" and "statistical characteristics of a mechanical condition in the small region containing the defect under a cyclic stress". The method was applied to the aluminum cast alloy JIS AC 4 B-T 6, which has eutectic Si, Fe compound and porosity in the material as inhomogenities. The fatigue strength at 107 stress cycles was defined as the fatigue limit. Rotating bending fatigue tests of plain specimens were also caried out. The validity of the present method was confirmed by comparing analyzed results with experimental results.

本文言語英語
ページ(範囲)1699-1707
ページ数9
ジャーナルNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
71
12
DOI
出版ステータス出版済み - 12 2005

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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