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- 藤田 和孝
- Department of Mechanical Engineering, Ube National College of Technology
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- 長岡 健太
- Advanced Course of Production System Engineering, Ube National College of Technology
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- 水津 泰士
- Advanced Course of Production System Engineering, Ube National College of Technology
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- 鍋島 隆行
- Graduate School of Engineering, University of Hyogo
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- 山崎 徹
- Graduate School of Engineering, University of Hyogo
書誌事項
- タイトル別名
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- Fatigue Properties in Electrodeposited Nanocrystalline Ni-W Alloy
- デンカイ セキシュツ ナノ ケッショウ Ni-W ゴウキン ノ ヒロウ トクセイ
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抄録
The nanocrystalline Ni-W alloy fabricated by an electrodeposition method has a high-strength and high-bending ductility. However, its fatigue properties are not known yet. Therefore, fatigue tests were carried out to clarify the fatigue properties. Nanocrystalline Ni-W alloy specimens containing 16.9 at% W with about 20 μm in thickness, 200 μm in parallel part length, and 100 μm in width were produced by both UV photolithography and electrodeposition methods. The average grain size was about 6 nm in diameter and the tensile strength was about 2.8 GPa. The fatigue test was conducted at a stress ratio of 0.1 and a frequency of 10 Hz. The fatigue limit and fatigue ratio showed 2.1 GPa and 0.74, respectively. Macroscopic fractured morphology showed no necking and perpendicular fracture for the loading axis. However, microscopic fracture surface showed flat and featureless morphology at near the crack initiation region and it showed striations from the region where the striation spacing became more than about 10 nm. The final unstable fracture surface showed dimples with a diameter of 100~200 nm.<br>
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 77 (5), 192-197, 2013
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282681459303552
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- NII論文ID
- 10031168443
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- NII書誌ID
- AN00187860
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- COI
- 1:CAS:528:DC%2BC3sXpvV2gtbg%3D
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 024655179
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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
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- KAKEN
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- 抄録ライセンスフラグ
- 使用不可