鋼管を鋳ぐるんだ大型鋳鉄品の疲労強度

書誌事項

タイトル別名
  • Fatigue Strength of Inserted Steel Tube Cast-In Large Iron Casting
  • コウカン オ イグルンダ オオガタ チュウテツヒン ノ ヒロウ キョウド

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抄録

  The fatigue properties of inserted steel tubes in a large iron casting was investigated under two types of stress cycles. The fatigue limit of the inserted steel tube was about double of that in high-phosphorus cast iron while decarburization and grain coarsening occurred at the inner surface of the tube. Under the intermittent stress cycles simulating actual stress state of an engine part, fatigue limit depends markedly on surface flaws, while it has no significant effect under constant sinusoidal stress cycles. The reason was inferred that the microflaws act as crack origins only under the intermittent stress cycles.

収録刊行物

  • 鋳造工学

    鋳造工学 68 (6), 488-492, 1996

    公益社団法人 日本鋳造工学会

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