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Compositional Effect on the Two-Stage Enthalpy Relaxation of Metal-Metalloid Amorphous Alloys upon Annealing
https://doi.org/10.50974/00043335
https://doi.org/10.50974/00043335acddbb26-ecc6-436f-aa10-4352e208342a
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KJ00004199492.pdf (1.2 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 | Compositional Effect on the Two-Stage Enthalpy Relaxation of Metal-Metalloid Amorphous Alloys upon Annealing | |||||
| 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 | 10.50974/00043335 | |||||
| ID登録タイプ | JaLC | |||||
| 著者 |
Inoue, Akihisa
× Inoue, Akihisa× Chen, H. S.× Masumoto, Tsuyoshi× Ajuria, S. A. |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | The anneal-induced enthalpy relaxation behavior was examined calorimetrically for amorphous alloys of Fe-P, Fe-B, Ni-P, Ni-B. Fe-Ni-P, Fe-Ni-B and Fe-Ni-Co-P systems. When the alloys annealed at temperatures below T_g are heated, an excess endothermic reaction (enthalpy relaxation) occurs above the annealing temperature. T_a. The magnitudes of Δ_<C_p, endo> and ΔH_<endo> for the alloys of Fe-P. Fe-B, Ni-P and Ni-B containing only one metallic element first increase gradually with rising T_a and then rapidly at temperatures just below T_g, while their changes as a function of T_a for the alloys containing more than two metallic elements show a distinct two-stage splitting ; a low-temperature peak at about T_g-200 K and a high-temperature peak just below T_g, From the result that the addition of the second metallic element causes the two-stage splitting of the ΔC_<p, endo> (T_a), it has been proposed that the low-temperature endothermic peak is attributed to short-range rearrangement of metal-metal atoms with weak bonding nature and the high-temperature peak to the long-range cooperative regrouping of metal-metalloid atoms which are composed of the skeleton structure in the metal-metalloid amorphous alloys. The mechanism for the appearance of the two-stage enthalpy relaxation has been investigated by the concept of two-stage distributions of relaxation times proposed previously by the present authors and the distinct two-stage splitting has been interpreted to be generated by the distinguishable difference in the ease of atomic rearrangement between metal-metal and metal-metalloid. | |||||
| 書誌情報 |
Science reports of the Research Institutes, Tohoku University. Ser. A, Physics, chemistry and metallurgy 巻 32, 号 2, p. 116-140, 発行日 1985-03-26 |
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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 | 1985-03-26 | |||||
| 日付タイプ | Created | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 1248224 bytes | |||||
| 更新日 | ||||||
| 日付 | 2010-01-27 | |||||
| 日付タイプ | Created | |||||
