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<報文>鋼の真空熔解に関する基礎的考察
http://hdl.handle.net/10097/32351
http://hdl.handle.net/10097/3235163a637d7-c670-4a2c-a65c-1c0011628656
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KJ00000134331.pdf (688.3 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>鋼の真空熔解に関する基礎的考察 | |||||||||
| 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 |
斎藤, 恒三
× 斎藤, 恒三
× 川合, 保治
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| 著者(ヨミ) | ||||||||||
| 識別子Scheme | WEKO | |||||||||
| 識別子 | 122193 | |||||||||
| 姓名 | SAITO, Tunezo | |||||||||
| 著者(ヨミ) | ||||||||||
| 識別子Scheme | WEKO | |||||||||
| 識別子 | 122194 | |||||||||
| 姓名 | KAWAI, Yasuji | |||||||||
| 抄録 | ||||||||||
| 内容記述タイプ | Abstract | |||||||||
| 内容記述 | Some fundamentals of vacuum melting of steel, such as carbon-oxygen reaction, removal of impurities and liquid-crucible reaction, were discussed from the thermodynamic and kinetic points of view. The followings were observed from the results of previous investigators on the vacuum melting of steels in magnesia crucibles : (1) In the case of high carbon steel, oxygen content was reduced rapidly. (2) In the case of low carbon steel, oxygen was decreased, at first, by carbon-oxygen reaction, but increased gradually with the time of vacuum meltig. (3) In the case of low carbon and high oxygen steel, oxygen content was not reduced. These results could be explained as follows : The oxygen content of liquid steel under vacuum is determined by the dynamic equilibrium between the rate of oxygen removal by carbon-oxygen reaction and the rate of oxygen supply from magnesia crucible. When an alumina crucible was used, the increase of oxygen content in low carbon steel was not observed, because the dissociation pressure of alumina was lower than magnesia, and therefore, alumina was better for crucible or lining material. Possibility of removal of impurities in liquid steel by vacuum distillation may be estimated by the values of vapor pressure and activity coefficient. It is easy to remove manganese, copper and tin, but difficult to remove sulphur and arsenic and it is impossible to remove phosphorus, nickel and cobalt. Peculiar behavior of silicon and aluminium in vacuum melting may be attributed to the reaction between these elements and crucible materials. The process of removal by vacuum distillation is that of diffusion controlled, that is, the rate is determined by the diffusion of impurities through thin boundary layer of liquid steel adjacent to the surface. | |||||||||
| 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 15, 号 2, p. 103-112, 発行日 1960-01-30 |
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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>Fundamental Studies on the Vacuum Melting of Steel | |||||||||
| 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 | 1960-01-30 | |||||||||
| 日付タイプ | Created | |||||||||
| フォーマット | ||||||||||
| 内容記述タイプ | Other | |||||||||
| 内容記述 | 688326 bytes | |||||||||
| 更新日 | ||||||||||
| 日付 | 2010-01-27 | |||||||||
| 日付タイプ | Created | |||||||||
