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Microstructure and mechanical properties of surface treated cast titanium with Nd:YAG laser
http://hdl.handle.net/10069/28631
http://hdl.handle.net/10069/28631e479cbcc-9ad6-4c76-b3dd-03d949261c35
名前 / ファイル | ライセンス | アクション |
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DenMat28_945.pdf (363.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-06-22 | |||||
タイトル | ||||||
タイトル | Microstructure and mechanical properties of surface treated cast titanium with Nd:YAG laser | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Titanium | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Laser | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Surface | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Microstructure | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Strength | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Hardness | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Poulon-Quintin, Angéline
× Poulon-Quintin, Angéline× Watanabe, Ikuya× Watanabe, Etsuko× Bertrand, Caroline |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Objective: To investigate the effect of laser surface treatment of cast titanium alloy on microstructure and mechanical properties. Methods: Dumbbell- and plate-shaped cast titanium specimens were prepared for mechanical testing and microstructure analysis. After the cast surfaces of each specimen were laser-treated using a dental Nd:YAG laser machine at 240 V and 300 V with and without argon gas shielding, tensile testing and microstructure analysis were conducted. Hardness depth profiles were also made from the cross-section of laser-treated cast specimens. Microstructural and chemical analysis were performed by means of the SEM, XRD, AES and WDS. Results: The results of tensile testing and Vickers hardness depth profiling showed that laser treatment improved the mechanical properties. Bulk microstructure of as-cast titanium was mainly composed of α-grains with acicular and widmanstatten patterns. The laser melted zone was characterized by columnar beta grains. When the emission voltage of laser increased to 300 V, a larger grain size was promoted. The XRD analysis indicated that the beta phase formation was clearly noticeable after laser surface treatment. Supplementary marked peaks of the TiO, TiO 2 and Ti 2N were detected without argon gas shielding. When argon shielding gas was used, the presence of titanium oxide was significantly reduced and the peaks of titanium nitride disappeared. Significance: Laser treatment on cast titanium surfaces showed significant enhancement of mechanical properties and modification of microstructures, and therefore could produce reliable titanium metal frameworks for dental prostheses. | |||||
書誌情報 |
Dental Materials 巻 28, 号 9, p. 945-951, 発行日 2012 |
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出版者 | ||||||
出版者 | Elsevier Inc. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 01095641 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10443138 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.dental.2012.04.008 | |||||
権利 | ||||||
権利情報 | © 2012 Academy of Dental Materials. Published by Elsevier Ltd. | |||||
権利 | ||||||
権利情報 | NOTICE: this is the author’s version of a work that was accepted for publication in Dental Materials. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Dental Materials, 28, 9, (2012) | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Dental Materials, 28(9), pp.945-951; 2012 |