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Only powder products were obtained at temperatures below 1200℃ in both reaction systems. At 1250°-1300℃, however, monoclinic whiskers or needle crystals were produced. In ZrCl4-O2 system, the whiskers were grown on a mullite substrate together with flaky materials, bricky crystals and powder. Optimum conditions for the whisker growth were ZrCl4 1-3%, O2 0.25-0.35%, and total flow rate of the reactant gas 40-60 cm3/min. The size of the whiskers was 0.1-2μm in width and 10-100μm in length. The growth axis was the \u003c010\u003e direction or perpendicular to the (104) plane. In ZrCl4-H2O system, no whiskers were formed on the substrate, but needle crystals (whisker-like) and powder were obtained at the outlet of the reaction tube. The monoclinic needles were very minute, their dimension being 0.05-0.5μm in width and 0.5-3μm in length. The growthe axis was the \u003c010\u003e direction or perpendicular to the (104), (113) or (211) plane. 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単斜晶ZrO_2ウイスカーの気相成長
http://hdl.handle.net/10069/23583
http://hdl.handle.net/10069/23583e3fe1a4c-fa42-4fd1-b039-cbe372487752
名前 / ファイル | ライセンス | アクション |
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110002313566.pdf (639.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-08-20 | |||||
タイトル | ||||||
タイトル | 単斜晶ZrO_2ウイスカーの気相成長 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Zirconia | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Whisker | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Needle crystal | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Monoclinic | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Vapor phase growth | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Zirconium tetrachloride | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Oxygen | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Water vapor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Growth mechanism | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Morphology | |||||
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 |
江頭, 誠
× 江頭, 誠× 勝木, 宏昭× 高月, 誠治× 岩永, 浩 |
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著者別名 | ||||||
姓名 | Egashira, Makoto | |||||
著者別名 | ||||||
姓名 | Katsuki, Hiroaki | |||||
著者別名 | ||||||
姓名 | Takatsuki, Seiji | |||||
著者別名 | ||||||
姓名 | Iwanaga, Hiroshi | |||||
その他のタイトル | ||||||
その他のタイトル | Vapor Phase Growth of Monoclinic ZrO_2 Whiskers | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Growth of ZrO2 whiskers by the reaction of ZrCl4 and O2 or H2O was examined at 1100°-1300℃. Only powder products were obtained at temperatures below 1200℃ in both reaction systems. At 1250°-1300℃, however, monoclinic whiskers or needle crystals were produced. In ZrCl4-O2 system, the whiskers were grown on a mullite substrate together with flaky materials, bricky crystals and powder. Optimum conditions for the whisker growth were ZrCl4 1-3%, O2 0.25-0.35%, and total flow rate of the reactant gas 40-60 cm3/min. The size of the whiskers was 0.1-2μm in width and 10-100μm in length. The growth axis was the <010> direction or perpendicular to the (104) plane. In ZrCl4-H2O system, no whiskers were formed on the substrate, but needle crystals (whisker-like) and powder were obtained at the outlet of the reaction tube. The monoclinic needles were very minute, their dimension being 0.05-0.5μm in width and 0.5-3μm in length. The growthe axis was the <010> direction or perpendicular to the (104), (113) or (211) plane. Optimum conditions were ZrCl4 2-5%, H2O 3-4%, and total flow rate of the reactant 30-60 cm3/min. Electron microsopic observation revealed that the whiskers and the needles had no particles on the tops, suggesting that both of them grew by a VS mechanism. | |||||
書誌情報 |
窯業協會誌 en : Journal of the Ceramic Association, Japan 巻 95, 号 1097, p. 138-143, 発行日 1987-01 |
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出版者 | ||||||
出版者 | 日本セラミックス協会 | |||||
出版者別言語 | ||||||
The Ceramic Society of Japan | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00090255 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00245652 | |||||
権利 | ||||||
権利情報 | 社団法人日本セラミックス協会 | |||||
権利 | ||||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関係URI | ||||||
関連名称 | http://ci.nii.ac.jp/naid/110002313566/ | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 窯業協会誌, 95(1097), pp.138-143; 1987 |