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Transition between solid and liquid state of yield-stress fluids under purely extensional deformations
https://oist.repo.nii.ac.jp/records/1606
https://oist.repo.nii.ac.jp/records/16060880b3ff-cfd7-4db5-8664-9ded954068d5
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
Varchanis-2020-Transition between solid and li (1.9 MB)
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (https://creativecommons.org/licenses/by-nc-nd/4.0/)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2020-07-07 | |||||
| タイトル | ||||||
| タイトル | Transition between solid and liquid state of yield-stress fluids under purely extensional deformations | |||||
| 言語 | en | |||||
| 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（英） |
Varchanis, Stylianos
× Varchanis, Stylianos× Haward, Simon J.× Hopkins, Cameron C.× Syrakos, Alexandros× Shen, Amy Q.× Dimakopoulos, Yannis× Tsamopoulos, John |
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| 書誌情報 |
en : Proceedings of the National Academy of Sciences 巻 117, 号 23, p. 12611-12617, 発行日 2020-05-20 |
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| 抄録 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | We report experimental microfluidic measurements and theoretical modeling of elastoviscoplastic materials under steady, planar elongation. Employing a theory that allows the solid state to deform, we predict the yielding and flow dynamics of such complex materials in pure extensional flows. We find a significant deviation of the ratio of the elongational to the shear yield stress from the standard value predicted by ideal viscoplastic theory, which is attributed to the normal stresses that develop in the solid state prior to yielding. Our results show that the yield strain of the material governs the transition dynamics from the solid state to the liquid state. Finally, given the difficulties of quantifying the stress field in such materials under elongational flow conditions, we identify a simple scaling law that enables the determination of the elongational yield stress from experimentally measured velocity fields. | |||||
| 出版者 | ||||||
| 出版者 | PNAS | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0027-8424 | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 1091-6490 | |||||
| PubMed番号 | ||||||
| 関連タイプ | isIdenticalTo | |||||
| 識別子タイプ | PMID | |||||
| 関連識別子 | info:pmid/32434919 | |||||
| DOI | ||||||
| 関連タイプ | isIdenticalTo | |||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | info:doi/10.1073/pnas.1922242117 | |||||
| 権利 | ||||||
| 権利情報 | © 2020 the Author(s) | |||||
| 情報源 | ||||||
| 関連名称 | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://www.pnas.org/content/117/23/12611 | |||||
| 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 | |||||
