| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○招待 (推奨): |
| ○審査 (推奨): | □ | Peer Review
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| ○カテゴリ (推奨): |
| ○共著種別 (推奨): |
| ○学究種別 (推奨): |
| ○組織 (推奨): | 1. | 徳島大学.歯学部.歯学科.基礎口腔科学講座.生体材料工学
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| 2. | 徳島大学.歯学部.歯学科.発達育成系臨床歯学講座.口腔顎顔面矯正学
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| 3. | 早稲田大学.大学院理工学研究科
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| ○著者 (必須): | 1. | 横山 賢一
| ○役割 (任意): |
| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
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| 2. | 金子 和之
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| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
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| 3. | (英) Ogawa Toshio (日) (読)
| ○役割 (任意): |
| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
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| 4. | 森山 啓司
| ○役割 (任意): |
| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
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| 5. | 淺岡 憲三
| ○役割 (任意): |
| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
| [継承] |
| 6. | (英) Sakai Jun'ichi (日) (読)
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| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
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| ○題名 (必須): | □ | (英) Hydrogen embrittlement of work-hardened Ni-Ti alloy in fluoride solutions. (日)
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| ○副題 (任意): |
| ○要約 (任意): | □ | (英) Hydrogen embrittlement of work-hardened Ni-Ti alloy has been examined in acidulated phosphate fluoride (APF) solutions. Upon immersion in a 2.0% APF solution with a pH of 5.0, tensile strength decreased markedly with immersion time. Moreover, the fracture mode changed from ductile to brittle due to brittle layer formation at the peripheral part of the cross section of the specimen. The amount of absorbed hydrogen increased linearly with immersion time, and it reached above 5000 mass ppm after 24 h. The hydrogen desorption temperature of the immersed specimens shifted from 450 degrees C to a lower temperature with immersion time. As the amount of absorbed hydrogen was larger than 500 mass ppm, the degradation of mechanical properties was recognized. Although the tensile properties and fracture mode scarcely change in a 0.2% APF solution, the slight reduction in hardness and hydrogen absorption of several hundreds mass ppm were observed. The results of the present study imply that work-hardened Ni-Ti alloy is less sensitive to hydrogen embrittlement compared with Ni-Ti superelastic alloy. (日)
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| ○キーワード (推奨): | 1. | (英) Absorption (日) (読)
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| 2. | (英) Acidulated Phosphate Fluoride (日) (読)
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| 3. | (英) Biocompatible Materials (日) (読)
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| 4. | (英) Body Fluids (日) (読)
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| 5. | (英) Corrosion (日) (読)
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| 6. | 弾性 (elasticity)
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| 7. | (英) Fluorides (日) (読)
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| 8. | (英) Hardness (日) (読)
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| 9. | (英) Hardness Tests (日) (読)
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| 10. | 水素 (hydrogen)
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| 11. | (英) Materials Testing (日) (読)
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| 12. | (英) Nickel (日) (読)
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| 13. | (英) Orthodontic Wires (日) (読)
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| 14. | 界面特性 (surface properties)
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| 15. | (英) Tensile Strength (日) (読)
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| 16. | チタン (titanium)
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| ○発行所 (推奨): |
| ○誌名 (必須): | □ | Biomaterials ([Elsevier Science])
(pISSN: 0142-9612, eISSN: 1878-5905)
| ○ISSN (任意): | □ | 0142-9612
ISSN: 0142-9612
(pISSN: 0142-9612, eISSN: 1878-5905) Title: BiomaterialsTitle(ISO): BiomaterialsPublisher: Elsevier Ltd (NLM Catalog)
(Scopus)
(CrossRef)
(Scopus information is found. [need login]) | [継承] |
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| ○巻 (必須): | □ | 26
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| ○号 (必須): | □ | 1
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| ○頁 (必須): | □ | 101 108
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2005年 1月 初日 (平成 17年 1月 初日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1016/j.biomaterials.2004.02.009 (→Scopusで検索)
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| ○PMID (任意): | □ | 15193885 (→Scopusで検索)
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| ○評価値 (任意): |
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| ○指導教員 (推奨): |
| ○備考 (任意): | 1. | (英) Article.Affiliation: Department of Dental Engineering, School of Dentistry, The University of Tokushima, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan. yokken@dent.tokushima-u.ac.jp (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Comparative Study (日)
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| 3. | (英) Article.PublicationTypeList.PublicationType: Evaluation Studies (日)
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| 4. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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| 5. | (英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't (日)
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