書誌事項
- タイトル別名
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- Effect of Oxide Films on a Fatigue Crack Inititation and its Early Growth of Ni-Base Super Alloy.
- Niキ チョウゴウキン ノ ヒロウ キレツ ハッセイ オヨビ ショキ デンパ
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抄録
Rotating bending fatigue tests were carried out for Ni base super alloy Inconel 718 at room temperature and elevated temperatures of 300°C, 500°C and 600°C in order to investigate the effect of surface oxidation at the elevated temperatures on the fatigue crack initiation and its early growth process. The fatigue strength was higher at the elevated temperatures than at room temperature when stress levels were low. This phenomenon was caused from that the growth of a crack smaller than the size of a few grains was suppresed at the elevated temperatures, though the growth of a larger crack was accelerated. The main reason for the suppression of the early growth of a small crack was a formation of oxide films on the specimen surface at the elevated temperatures.
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 64 (620), 839-844, 1998
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
- 1390001204446292352
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- NII論文ID
- 110002374506
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- NII書誌ID
- AN0018742X
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- ISSN
- 18848338
- 03875008
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- HANDLE
- 10559/14004
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- NDL書誌ID
- 4468708
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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
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- 抄録ライセンスフラグ
- 使用不可