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Non-linear rheological study of hydrogel sliding friction in water and concentrated hyaluronan solution

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Title: Non-linear rheological study of hydrogel sliding friction in water and concentrated hyaluronan solution
Authors: Satoshi, Hirayama Browse this author
Takayuki, Kurokawa Browse this author →KAKEN DB
Jian Ping, Gong Browse this author →KAKEN DB
Keywords: Friction of hydrogel
Non-linear rheology
Energy dissipation
Lissajous curve
Issue Date: Jul-2020
Publisher: Elsevier
Journal Title: Tribology International
Volume: 147
Start Page: 106270
Publisher DOI: 10.1016/j.triboint.2020.106270
Abstract: Studying sliding friction of hydrogels in liquid is important for understanding biological friction. This work applies the non-linear rheology approach to study the friction of elastic hydrogels against adhesive glass in water and in concentrated hyaluronan (HA) solution. Using a rheometer in parallel plate geometry, stress-strain Lissajous curves are obtained from the oscillatory strain sweep test. Non-linearity and energy dissipation are characterized the strain-hardening ratio S, and “energy dissipation occupancy” κ, respectively. For friction in water, a clear transition from a linear viscoelastic to non-linear viscoelastic response occurs at a critical strain amplitude. Whereas, in HA solution, significant friction reduction and non-linear viscoelastic response occurs, related to the rheological behaviors of HA film intercalated at the gel/glass interface.
Rights: © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
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)

Submitter: 龔 剣萍 (Gong Jian Ping)

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