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Published:
07 July 2022
Regulation and control of wet friction of soft materials using surface texturing: A review
Liping SHI1,2,3(
),
Xiaolei WANG4(
)
),
Xiaolei WANG4(
)
Keywords:
friction, surface texture, soft material, wet sliding
Cite this article:
LI M, SHI W, SHI J, et al.
Regulation and control of wet friction of soft materials using surface texturing: A review.
Friction,
2023, 11(3): 333-353.
https://doi.org/10.1007/s40544-022-0617-6
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Surface texturing is a smart strategy that is commonly used in nature or industry to improve the tribological properties of sliding surfaces. Herein, we focus on the recent research progress pertaining to the wet friction modification of soft elastomers via texturing. To consider the pertinent physical mechanisms, we present and discuss the fundamentals of wet sliding on soft surfaces (including dewetting and wetting transitions in compliant contacts). Subsequently, we consider the methods in which the characteristic textures regulate and control wet sliding behaviors on soft surfaces; these textures range from conventional patterns of dimples to bioinspired architectures and can either positively or adversely impact the interfacial friction force. Furthermore, we briefly address the perspectives, potential applications, and challenges of texture design for modifying the friction characteristics of soft materials.
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Regulation and control of wet friction of soft materials using surface texturing: A review
Liping SHI1,2,3(
), Xiaolei WANG4(
)
), Xiaolei WANG4(
)
Abstract
Surface texturing is a smart strategy that is commonly used in nature or industry to improve the tribological properties of sliding surfaces. Herein, we focus on the recent research progress pertaining to the wet friction modification of soft elastomers via texturing. To consider the pertinent physical mechanisms, we present and discuss the fundamentals of wet sliding on soft surfaces (including dewetting and wetting transitions in compliant contacts). Subsequently, we consider the methods in which the characteristic textures regulate and control wet sliding behaviors on soft surfaces; these textures range from conventional patterns of dimples to bioinspired architectures and can either positively or adversely impact the interfacial friction force. Furthermore, we briefly address the perspectives, potential applications, and challenges of texture design for modifying the friction characteristics of soft materials.
Keywords:
friction, surface texture, soft material, wet sliding
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Publication history
Received: 05 July 2021
Revised: 16 December 2021
Accepted: 08 March 2022
Published:
07 July 2022
Issue date: March 2023
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© The author(s) 2022.
Acknowledgements
This work was supported by the National Natural Science Foundation of China (No. 52175172), Natural Science Foundation of Anhui Province of China (Nos. 2108085ME174 and 2108085QE228), Natural Science Research Fund of Higher Education of Anhui Province (No. KJ2020A0230), and the Open Project of the Key Laboratory of Green Fabrication and Surface Technology of Advanced Metal Materials (No. GFST2021KF05).
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