書誌事項
- タイトル別名
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- Low cycle fatigue behaviors of elbow pipe containing local wall thinning
- キョクショ ゲンニク オ ユウスル エルボ ハイカン ノ テイサイクル ヒロウ キョドウ
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Low cycle fatigue tests were conducted using 100A elbow specimens of STPT410 with local wall thinning. Local wall thinning was machined on the inside of elbow specimens in order to simulate erosion⁄corrosion metal loss. The local wall thinning areas were located at three different areas, called extrados, crown and intrados. The elbow specimens were subjected to cyclic in-plane bending under displacement control without internal pressure. The effects of eroded conditions, such as eroded ratio, eroded angle and position, on the low cycle fatigue behavior and fatigue life were discussed. Three-dimensional elasto-plastic analyses were also carried out using the finite element method, which could accurately predict the location of crack initiation and the crack growth direction. In addition, the safety margin of the eroded elbows against seismic loading was evaluated by comparing the fictitious stress of elbows and the design code against seismic loadings.
収録刊行物
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- 圧力技術
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圧力技術 46 (6), 352-362, 2008
一般社団法人 日本高圧力技術協会
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詳細情報 詳細情報について
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- CRID
- 1390001204618112768
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- NII論文ID
- 130004446822
- 10024595778
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- NII書誌ID
- AN00011762
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- ISSN
- 13479598
- 03870154
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- NDL書誌ID
- 9744078
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可