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A comparison between the bond-strength-coordination number fluctuation model and the random walk model of viscosity
http://hdl.handle.net/2298/17129
http://hdl.handle.net/2298/17129598cdf2f-4e59-4fe0-980c-bf36adc9970f
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
JTAC 99(2010)33Manuscript-r.pdf (250.9 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2010-12-07 | |||||
| タイトル | ||||||
| タイトル | A comparison between the bond-strength-coordination number fluctuation model and the random walk model of viscosity | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題 | Fragility, Glass forming materials, Glass transition, Viscosity | |||||
| 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 |
Ndeugueu, Jean
× Ndeugueu, Jean× Ikeda, Masahiro× Aniya, Masaru |
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| 別言語の著者 |
Ikeda, Masahiro
× Ikeda, Masahiro× 安仁屋, 勝 |
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| 内容記述 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | We have studied the temperature dependence of the viscosity of some polymeric materials by using both, the bond-strength-coordination number fluctuation model and the random walk model. The results reveal that both models show an excellent agreement with the experimental data. For the random walk model, two equations corresponding to two temperature regimes (low-T and high-T) separated by the critical temperature Tc, which is difficult to determine, are needed to describe the temperature dependence of the viscosity of a fragile system, whereas for the bond-strength-coordination number fluctuation model, a single equation with clear physical meaning describes the temperature dependence of the viscosity of both, the fragile and strong systems. We have also studied the relationship between the normalized temperature range of cooperativity and the fragility index. A theoretical expression for the relationship has been derived based on the bond-strength-coordination number fluctuation model. The comparison with the experimental data shows a good agreement, leading to the conclusion that the kinetic properties of glass forming liquids and the cooperativity of molecular relaxations are correlated. | |||||
| 書誌情報 |
Journal of Thermal Analysis and Calorimetry 巻 99, 号 1, p. 33-38, 発行年 2010-01 |
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| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AA11258936 | |||||
| DOI | ||||||
| 関連タイプ | isVersionOf | |||||
| 関連識別子 | 10.1007/s10973-009-0420-x | |||||
| 権利 | ||||||
| 権利情報 | © Springer | |||||
| 情報源(ISSN) | ||||||
| 関連名称 | 1572-8943 | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 形態 | ||||||
| 値 | 250910 bytes | |||||
| 著者版フラグ | ||||||
| 出版タイプ | AM | |||||
| 出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
| 日本十進分類法 | ||||||
| 主題Scheme | NDC | |||||
| 主題 | 430 | |||||
| 出版者 | ||||||
| 出版者 | Springer | |||||
| 資源タイプ | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 論文(Article) | |||||
| 資源タイプ・ローカル | ||||||
| 値 | 雑誌掲載論文 | |||||
| 資源タイプ・NII | ||||||
| 値 | Journal Article | |||||
| 資源タイプ・DCMI | ||||||
| 値 | text | |||||
| 資源タイプ・ローカル表示コード | ||||||
| 値 | 01 | |||||
| 著作の一部 | ||||||
| 関連名称 | http://www.springerlink.com/content/102948/?p=c8e408fd74bf4847b0e9876b5f673218&pi=0 | |||||
| URL | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | http://www.springerlink.com/content/c7682m1uh3vn1x16/ | |||||
