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Formation of a Nanoscale hcp Structure by Crystallization of an Amorphous Co_<91>Zr_7B_2 Alloy
https://doi.org/10.50974/00043463
https://doi.org/10.50974/0004346336913a14-f2f1-42e4-be01-7f13d83c9f6c
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KJ00004200395.pdf (1.6 MB)
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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 | Formation of a Nanoscale hcp Structure by Crystallization of an Amorphous Co_<91>Zr_7B_2 Alloy | |||||||||||||
| 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 | |||||||||||||
| ID登録 | ||||||||||||||
| ID登録 | 10.50974/00043463 | |||||||||||||
| ID登録タイプ | JaLC | |||||||||||||
| 著者 |
Kimura, Hisamichi
× Kimura, Hisamichi
× Inoue, Akihisa
× Murakami, Yoshihiro
× Masumoto, Tsuyoshi
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| 抄録 | ||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||
| 内容記述 | A mostly single hcp phase with grain sizes ranging from 3 to 10 nm was found to form as a metastable phase in the crystallization process of an amorphous Co_<91>Zr_7B_2 alloy. The temperature range, in which the nanoscale hcp structure forms, extends from 800 to 900 K and the further heating above 900 K causes the phase transition to ε-Co+Co_<23>(Zr, B)_6. No distinct grain growth in the hcp structure is seen in the temperature range of 800 to 900 K. The hcp phase has a lattice parameter of a=0.2507 nm and c=0.4066 nm which is slightly different from that of pure ε-Co presumably because of the dissolution of Zr and B. The Co_<91>Zr_9 amorphous alloy crystallizes directly to a mixed phase of ε-Co+cubic Co_<23>Zr_6 with a large grain size of about 0.4μm through a polymorphic-type crystallization mode. It is therefore concluded that the addition of a small amount of boron is essential for the formation of the nanoscale hcp structure. | |||||||||||||
| 書誌情報 |
Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy 巻 36, 号 2, p. 213-223, 発行日 1992-03-25 |
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| 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 | 1992-03-25 | |||||||||||||
| 日付タイプ | Created | |||||||||||||
| フォーマット | ||||||||||||||
| 内容記述タイプ | Other | |||||||||||||
| 内容記述 | 1559035 bytes | |||||||||||||
| 更新日 | ||||||||||||||
| 日付 | 2010-01-27 | |||||||||||||
| 日付タイプ | Created | |||||||||||||
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Cite as
Kimura, Hisamichi, Inoue, Akihisa, Murakami, Yoshihiro, Masumoto, Tsuyoshi, 1992, Formation of a Nanoscale hcp Structure by Crystallization of an Amorphous Co_<91>Zr_7B_2 Alloy: Tohoku University, 213–223 p.
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