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<報文>溶融FeO-SiO_2系の密度および粘性について
http://hdl.handle.net/10097/32671
http://hdl.handle.net/10097/326710257d7bb-c7a7-408d-b3bd-8fcfc1a601f0
名前 / ファイル | ライセンス | アクション |
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KJ00000134994.pdf (834.8 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-02 | |||||
タイトル | ||||||
タイトル | <報文>溶融FeO-SiO_2系の密度および粘性について | |||||
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 | |||||
著者 |
池田, 克郎
× 池田, 克郎× 田村, 明× 白石, 裕× 斎藤, 恒三 |
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著者(ヨミ) | ||||||
姓名 | IKEDA, Katsuro | |||||
著者(ヨミ) | ||||||
姓名 | TAMURA, Akira | |||||
著者(ヨミ) | ||||||
姓名 | SHIRAISHI, Yutaka | |||||
著者(ヨミ) | ||||||
姓名 | SAITO, Tunezo | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The measurements of density and viscosity of molten FeO-SiO_2 system were carried out by means of the Archimedean method and the rotational cylinder method, respectively. The experiments were made under Ar atmosphere using an iron crucible, bob and rotator to avoid a change in composition of the smaple. In the density measurements, the concentration range covered 10 to 35 wt % silica contents and the temperature range 1300 to 1400℃. In the viscosity measurements, it covered 0 to 38 wt % silica contents and 1250 to 1450℃. The experimental results are summarized as follows : 1. The density of the melts decreases with increasing of silica contents of the melt, e. g., at l400℃ the density decreases monotonically from 4.55 g/cm^3 for FeO melt (single bob measurement) to 3.58 g/cm^3 for FeO-35 wt % SiO_2 melt. 2. The excess molar volume of these melts is negative. 3. The experimental error of the density measurements is estimated to be below 0.5 % absolute. 4. The change of viscosity with temperature follows the Arrhenius equation. However, it seems that a small deviation from the Arrhenius equation occurrs near to the fayalite composition. 5. There are sharp maximum values at the fayalite composition in the curves of viscosity and activation energy vs. composition. 6. The experimental error of the viscosity measurements is estimated to be +9% to -8% as a maximum. 7. The behavior of viscosity observed in the vicinity of the fayalite composition may be attributed to the formation of 2FeO・SiO_2 clusters in the melt. Therefore, by assuming the applicability of the Einstein equation, the mean size of such clusters was estimated using thermodynamic data. | |||||
書誌情報 |
東北大學選鑛製錬研究所彙報 = Bulletin of the Research Institute of Mineral Dressing and Metallurgy, Tohoku University 巻 29, 号 1, p. 24-36, 発行日 1973-11-24 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0040876X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00168425 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
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 | |||||
その他の言語のタイトル | ||||||
その他のタイトル | <Original Papers>On the Density and Viscosity of Molten FeO-SiO_2 System | |||||
出版者 | ||||||
出版者 | 東北大學選鉱製錬研究所 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | 紀要類(bulletin) | |||||
登録日 | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
公開日(投稿完了日) | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
発行日 | ||||||
日付 | 1973-11-24 | |||||
日付タイプ | Created | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | 834839 bytes | |||||
公開範囲 | ||||||
値 | 学外 | |||||
更新日 | ||||||
日付 | 2010-01-27 | |||||
日付タイプ | Created |