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Dislocation relaxation peaks involving hydrogen drag in deformed Ni-H alloys
https://nitech.repo.nii.ac.jp/records/3780
https://nitech.repo.nii.ac.jp/records/3780fb4bd48b-1467-4558-9325-7a8208121fff
名前 / ファイル | ライセンス | アクション |
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本文_fulltext (481.5 kB)
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Copyright (1983) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Applied Physics, 54(12), pp.6890- 6896 ; 1983 and may be found at http://link.aip.org/link/?jap/54/6890
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-11-06 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Dislocation relaxation peaks involving hydrogen drag in deformed Ni-H alloys | |||||
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 | journal article | |||||
著者 |
Tanaka, K.
× Tanaka, K.× Inukai, T.× Uchida, K.× Yamada, Masaaki |
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著者別名 | ||||||
姓名 | 山田, 正明 | |||||
書誌情報 |
JOURNAL OF APPLIED PHYSICS 巻 54, 号 12, p. 6890-6896, 発行日 1983-12 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00218979 | |||||
書誌レコードID(NCID) | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00693547 | |||||
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 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1063/1.331994 | |||||
関連名称 | 10.1063/1.331994 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | The internal friction and modulus changes in pure and hydrogenated nickel are measured after plastic deformation at frequencies of 2 Hz and 30 kHz. The hydrogen dissolution strongly diminishes a Bordoni‐type peak (B peak) but develops a Snoek-Koster‐type peak (SK peak) at a temperature well above the B peak. The SK peak increases in height and shifts toward higher temperature with increasing hydrogen concentration up to 1600 at.ppm. It has an effective activation enthalpy of 0.50±0.05 eV. An analysis of the concentration dependence of the peak shift suggests that this peak is caused by dislocations dragging pairs of hydrogen atoms, rather than isolated ones, segregated in the vicinity of the dislocations. A simple model is proposed which involves both dislocation pinning and impurity drag with changes in temperature. It explains well the observed correlation between the B peak and the SK peak as well as the conservation of their total relaxation strength with changes in the hydrogen concentration. | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |