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TiO₂- B₂O₃混合物のMg熱還元によるTiB₂の生成反応
http://hdl.handle.net/10258/786
http://hdl.handle.net/10258/7867847141c-04b5-401f-8e11-3e73e403c1f7
名前 / ファイル | ライセンス | アクション |
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kiyo41_rikou_pp61-69.pdf (1.0 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2014-03-04 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | TiO₂- B₂O₃混合物のMg熱還元によるTiB₂の生成反応 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Formation of TiB₂by Magnesio -thermic Reduction of TiO₂- B₂O₃Mixture. | |||||
言語 | ||||||
言語 | jpn | |||||
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 | departmental bulletin paper | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
平井, 伸治
× 平井, 伸治× 土屋, 美智昭× 片山, 博 |
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室蘭工業大学研究者データベースへのリンク | ||||||
平井 伸治(HIRAI Shinji) | ||||||
http://rdsoran.muroran-it.ac.jp/html/100000177_ja.html | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Experiments were conducted in order to elucidate the formation mechanism of TiB₂by the simultaneous magnesio-thermic reduction of TiO₂- B₂O₃mixture. TiB₂was formed at 897 K or more, and its X-ray diffraction intensity increased with increasing temperature. In addition to MgO and MgTi₂O₄, which were main by-products, Mg₃(BO₃)₂ and (Mg, Ti) O were produced at lower temperature and at higher temperature, respectively. In the magnesio-thermic reduction of TiO₂, Ti₂, O was identified at 1273 K or more, and its X-ray diffraction intensity increased to a maximum at 1373 K, but finally disappeared at 1573 K. In reduction of short time period, however, the formation of TiO₂ was observed even at 1573 K. On the other hand, in the magnesio-thermic reduction of B₂O₃, the formation of boron could not be identified by X-ray diffraction, but weak diffraction peaks of B₄C were detected. It was inferred from these results that amorphous boron had been formed. Thermodynamic consideration clarified that TiO₂is easily reduced to TiO with magnesium, but the additional reduction of TiO to Ti is difficult at higher temperature. Therefore, since the formation of boron precedes in the simultaneous magnesio-thermic reduction of TiO₂- B₂O₃ mixture, it was concluded that TiB₂is finally formed according to the next reaction : TiO + Mg + 2B = TiB₂ + MgO. | |||||
言語 | en | |||||
書誌情報 |
ja : 室蘭工業大学研究報告. 理工編 en : Memoirs of the Muroran Institute of Technology. Science and engineering 巻 41, p. 61-69, 発行日 1991-11-11 |
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出版者 | ||||||
言語 | ja | |||||
出版者 | 室蘭工業大学 | |||||
論文ID(NAID) | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | NAID | |||||
関連識別子 | 40003627716 | |||||
日本十進分類法 | ||||||
主題Scheme | NDC | |||||
主題 | 431.37 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 05802415 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00238225 | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | © 1991 室蘭工業大学 | |||||
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 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |