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Mg還元テルミット法によるHfB_2の微粉末合成と生成過程
https://sucra.repo.nii.ac.jp/records/12981
https://sucra.repo.nii.ac.jp/records/12981657d6278-3ab7-407b-bfe0-96004a41a1cb
名前 / ファイル | ライセンス | アクション |
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A1002231.pdf (649.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-01-09 | |||||
タイトル | ||||||
タイトル | Mg還元テルミット法によるHfB_2の微粉末合成と生成過程 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Preparation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | HfB_2 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Mg-thermite method | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Amorphous B | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | HfO_2 | |||||
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 | |||||
タイトル(別言語) | ||||||
その他のタイトル | Preparation and Formation Process of HfB_2 Fine Powders by Mg-Thermite Method | |||||
著者 |
小林, 秀彦
× 小林, 秀彦× 下坂, 建一× 三田村, 孝 |
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著者 ローマ字 | ||||||
KOBAYASHI, Hidehiko | ||||||
著者 ローマ字 | ||||||
SHIMOSAKA, Kenichi | ||||||
著者 ローマ字 | ||||||
MITAMURA, Takashi | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科物質科学部門 | ||||||
著者 所属 | ||||||
埼玉大学工学部応用化学科 | ||||||
著者 所属 | ||||||
埼玉大学工学部 | ||||||
著者 所属(別言語) | ||||||
Department of Applied Chemistry, Faculty of Engineering, Saitama University | ||||||
著者 所属(別言語) | ||||||
Department of Applied Chemistry, Faculty of Engineering, Saitama University | ||||||
著者 所属(別言語) | ||||||
Faculty of Engineering, Saitama University | ||||||
書誌情報 |
日本セラミックス協会学術論文誌 巻 101, 号 1172, p. 456-460, 発行日 1993 |
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年月次 | ||||||
1993-4 | ||||||
出版者名 | ||||||
出版者 | 社団法人日本セラミックス協会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09145400 | |||||
関連サイト | ||||||
内容記述タイプ | Other | |||||
内容記述 | http://ci.nii.ac.jp/naid/110002290337/ | http://ci.nii.ac.jp/naid/110002290337/ | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Preparation conditions and formation process of HfB_2 fine powders from HfO_2, amorphous B and Mg under an argon flow were examined. Fine powders of single phase HfB_2 were prepared by heating powder mixtures of HfO_2: amorphous B: and Mg in molar ratios of 1:2:7-10 at 800℃ for 1 h. The HfB_2 powders had particle sizes of 0.03-0.3μm. The formation process of HfB_2 was composed of the following reactions: (1)650℃〜: HfO_2+2Mg→α-Hf+2MgO, (2)550-750℃: Mg+2B→MgB_2, (3)750℃〜: MgB_2→Mg+2B, (4)800℃〜: α-Hf+2B→HfB_2 and (5)850℃〜: 2MgB_2→MgB_4+Mg. MgB_2 did not interfere the formation of HfB_2 because it decomposed above 750℃, whereas MgB_4 interfered the boridation of α-Hf above 850℃ because it is thermally stable. For the preparation of single phase HfB_2 powders, it is most important to suppress the formation of MgB_4 by controlling the reaction temperature below 850℃. | |||||
注記 | ||||||
内容記述タイプ | Other | |||||
内容記述 | rights: 社団法人日本セラミックス協会 rights: 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 relation: IsVersionOf: http://ci.nii.ac.jp/naid/110002290337/ |
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版 | ||||||
[出版社版] | ||||||
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 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2008-01-09 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002231 |