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Shearing-induced contact pattern formation in hydrogels sliding in polymer solution

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Title: Shearing-induced contact pattern formation in hydrogels sliding in polymer solution
Authors: Yashima, Shintaro Browse this author →KAKEN DB
Hirayama, Satoshi Browse this author
Kurokawa, Takayuki Browse this author →KAKEN DB
Salez, Thomas Browse this author
Takefuji, Haruna Browse this author
Hong, Wei Browse this author
Gong, Jian Ping Browse this author →KAKEN DB
Issue Date: 7-Mar-2019
Publisher: Royal Society of Chemistry
Journal Title: Soft matter
Volume: 15
Issue: 9
Start Page: 1953
End Page: 1959
Publisher DOI: 10.1039/c8sm02428f
Abstract: The contact of a hydrogel during the rotational shearing on a glass surface in concentrated polymer solution was observed in situ. Dynamic contact patterns that rotate in-phase with the rotational shearing of the gel were observed for the first time. The contact patterns with a periodicity in the circumferential direction appeared and became fine with the shearing time. The patterns appeared more quickly at an elevated sliding velocity, polymer concentration, and normal pressure. Furthermore, the softness of the gel also substantially influenced the characteristics of the patterns. The pattern formation was discussed in terms of the non-linear rheology of the polymer solution at the rotational soft interface.
Type: article (author version)
Appears in Collections:生命科学院・先端生命科学研究院 (Graduate School of Life Science / Faculty of Advanced Life Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
国際連携研究教育局 : GI-CoRE (Global Institution for Collaborative Research and Education : GI-CoRE) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 龔 剣萍 (Gong Jian Ping)

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