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The Reaction of Solid Cobalt with Molten Copper. I : The Dissolution of Solid Cobalt into Liquid Copper
http://hdl.handle.net/10097/27676
http://hdl.handle.net/10097/276764ba9a351-cc64-4164-a392-7ef4f621724a
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KJ00004197889.pdf (44.8 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 | The Reaction of Solid Cobalt with Molten Copper. I : The Dissolution of Solid Cobalt into Liquid Copper | |||||||
| 言語 | ||||||||
| 言語 | eng | |||||||
| 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 |
ISHIDA, Tsuneo
× ISHIDA, Tsuneo
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| 抄録 | ||||||||
| 内容記述タイプ | Abstract | |||||||
| 内容記述 | A basic investigation in brazing has been made of the dissolution of solid cobalt into molten copper under dynamic conditions. Cylindrical specimens of solid cobalt were immersed in molten copper and then rotated under peripheral velocities from 19.0 to 61.5cm/sec in a temperature range of 1190°～1340℃. A rapid dissolving of the cobalt into the molten copper had occurred and the appearance of a relatively etched surface was observed. The rate of the dissolution had been found to obey an equation of the reducing rate of the cylinder radius, modifying the first-order kinetic equation. The modified equation was used to determine the dissolution-rate constant, K, . The K-values varied from 0.55 to 1.61×10^<-2> cm/sec and increased in proportion to the 0.64～0.74 power of peripheral velocity. The activation energy for the dissolution was estimated to be about 10.0kcal/mole. The activation energy of dissolution for diffusion-controlled process is related to the sum of the activation energy for diffusion and some fraction of the activation energy for viscosity. Calculated value of the activation energy for the diffusion process in the cobalt-copper system is larger than the observed one. The rate of the dissolution of solid cobalt into molten copper is controlled by a mixed process involving interface reaction and diffusion. | |||||||
| 書誌情報 |
Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy 巻 24, p. 256-256, 発行日 1972 |
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| ISSN | ||||||||
| 収録物識別子タイプ | ISSN | |||||||
| 収録物識別子 | 00408808 | |||||||
| 書誌レコードID | ||||||||
| 収録物識別子タイプ | NCID | |||||||
| 収録物識別子 | AA00836167 | |||||||
| 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 | |||||||
| 出版者 | ||||||||
| 出版者 | Tohoku University | |||||||
| 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 | 1972 | |||||||
| 日付タイプ | Created | |||||||
| フォーマット | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | 44830 bytes | |||||||
| 更新日 | ||||||||
| 日付 | 2010-01-27 | |||||||
| 日付タイプ | Created | |||||||
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Cite as
ISHIDA, Tsuneo, 1972, The Reaction of Solid Cobalt with Molten Copper. I : The Dissolution of Solid Cobalt into Liquid Copper: Tohoku University, 256–256 p.
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