書誌事項
- タイトル別名
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- Fatigue Properties of Notched Specimens of Ti-6Al-4V Alloy.
- Ti-6Al-4V ゴウキン キリカキ ザイ ノ ヒロウ トクセイ
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抄録
In this study, rotating bending fatigue tests have been carried out to investigate the fatigue strength of plain and circumferentially notched specimens of Ti-6 Al 4 V alloy. The purpose of this work is to evaluate fatigue strength and notch sensitivity under various kdnds of stress concentrations. The notch radius of specimens varies from ∞ (plain specimen) to 2.5, 2.0, 1.5, 1.3, 1.0, 0.5, 0.4, 0.2, and 0.1 mm. According to the experiment results, it is found that the notch sensitivity of Ti-6Al-4V alloy for blunt notch is remarkably lower than that of sharper notch. The cause of this phenomenon is considered that slip system is limited fairly due to the crystal structure (hcp) of this kind of material. Considering to the influence of the stress gradient there is a clear difference between blunt notch and sharp notch for the surface state of tested portion. The non propagating microcracks at the specimen surface could not be observed for all notched specimens including plain specimen subjected under the stress amplitude of fatigue limit by N=107 cycles.
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 65 (638), 2080-2085, 1999
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
- 1390282679424810496
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- NII論文ID
- 110002375133
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- NII書誌ID
- AN0018742X
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- ISSN
- 18848338
- 03875008
- http://id.crossref.org/issn/0015749X
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- NDL書誌ID
- 4889616
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可