クラックアレスターとストップホールを用いた平板試験片のき裂進展抑制について

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タイトル別名
  • Improvement in Crack Growth Behavior of Plate Specimen by Stop-hole Drilling and Crack Arrester Attachment
  • クラックアレスター ト ストップホール オ モチイタ ヘイバン シケンヘン ノ キレツ シンテン ヨクセイ ニ ツイテ

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抄録

Some simple technical methods for arresting crack growth have been proposed to prevent the fatigue failure of machinery. Drilling a stop-hole at the crack tip and attaching a patch at crack sites are typical methods for arresting crack growth. In this study, in addition to the drilling of a stop-hole, a crack arrester was attached across the crack to extend the fatigue life. In particular, a plate specimen having portions with different thicknesses was used in a push-pull test, and three types of crack arresters were prepared. The effect of the crack arrester on the prevention of crack growth when a crack is initiated in plates with different thicknesses was considered.

収録刊行物

  • 圧力技術

    圧力技術 53 (2), 79-87, 2015

    一般社団法人 日本高圧力技術協会

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