書誌事項
- タイトル別名
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- Fracture Mechanism in Fatigue of Ni-Base Superalloy Inconel 718 at Elevated Temperatures
- Niキ チョウゴウキン インコネル 718 ノ チュウコウオン ヒロウ ニ オケル ハカイ キコウ
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In order to investigate the fracture mechanism in fatigue of Ni-base superalloy at elevated temperatures, rotating bending fatigue tests were carried out for Inconel 718 at 500°C and 600°C up to 108 cycles. At both temperatures, fracture occurred from a subsurface of the specimen in long life region, though the origin of fracture was the specimen surface in short life region. Consequently, S-N curves showed a two-step shape in elevated temperature tests. Although a surface crack was observed similar to the result at room temperature even in long life region at elevated temperatures, the surface crack stopped propagating. In this case, interganular cracks were observed at an origin of subsurface fracture. The subsurface damage was initiated at the early stage of fatigue life.
収録刊行物
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- 日本機械学会論文集A編
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日本機械学会論文集A編 71 (709), 1226-1233, 2005
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001204479085824
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- NII論文ID
- 110004999072
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- NII書誌ID
- AN0018742X
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- COI
- 1:CAS:528:DC%2BD2MXht1GmtbfJ
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- ISSN
- 18848338
- 03875008
- http://id.crossref.org/issn/03875008
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- HANDLE
- 10559/13901
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- NDL書誌ID
- 7490038
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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
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可