球状黒鉛鋳鉄における疲労亀裂進展挙動および亀裂長さ分布に及ぼす基地組織の影響 Effects of Matrix on Fatigue Crack Propagation Behaviors and Crack Length Distribution of Spheroidal Graphite Cast Iron

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抄録

  Fatigue crack propagation behaviors and crack length distribution on the surfaces of smooth specimens under completely reversed bending load were investigated for the as-cast and ferritized matrix spheroidal graphite cast iron. The variations of fatigue crack propagation and the crack density on the ferritized spheroidal graphite cast iron were higher than those on the as-cast spheroidal graphite cast iron. Not only the surface crack length but the maximum surface crack length in both spheroidal graphite cast irons were analyzed according to the three-parametric Weibull distribution. The variations of the maximum surface crack length distribution were greater than those of the surface crack length distribution. Moreover, it was clarified that the cycle ratio in the shape parameter <i>α</i>=1.0 in Weibull distribution was almost equal to the cycle ratio at which the fatigue damage process changed on the crack density curve.

収録刊行物

  • 鋳造工学 = Journal of Japan Foundry Engineering Society  

    鋳造工学 = Journal of Japan Foundry Engineering Society 68(6), 512-517, 1996-06 

    Japan Foundry Engineering Society

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各種コード

  • NII論文ID(NAID)
    10002113678
  • NII書誌ID(NCID)
    AN10514770
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13420429
  • NDL 記事登録ID
    3976378
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-277
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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