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Friction is a fundamental force that impacts almost all interface-related applications. Over the past decade, there is a revival in our basic understanding and practical applications of the friction. In this review, we discuss the recent progress on solid–liquid interfacial friction from the perspective of interfaces. We first discuss the fundamentals and theoretical evolution of solid–liquid interfacial friction based on both bulk interactions and molecular interactions. Then, we summarize the interfacial friction regulation strategies manifested in both natural surfaces and artificial systems, focusing on how liquid, solid, gas, and hydrodynamic coupling actions mediate interfacial friction. Next, we discuss some practical applications that are inhibited or reinforced by interfacial friction. At last, we present the challenges to further understand and regulate interfacial friction.

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Interfacial friction at action: Interactions, regulation, and applications

Show Author's information Zhiran YI1,2,3Xiong WANG1Wanbo LI1Xuezhi QIN1Yang LI1Kaiqiang WANG1,4Yunting GUO1,5Xing LI1Wenming ZHANG3Zuankai WANG1,2 ( )
Department of Mechanical Engineering, City University of Hong Kong, Hong Kong 999077, China
Hong Kong Centre for Cerebro–caradiovasular Health Engineering (COCHE), Hong Kong 999077, China
State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
State Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing 100084, China
Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China


Friction is a fundamental force that impacts almost all interface-related applications. Over the past decade, there is a revival in our basic understanding and practical applications of the friction. In this review, we discuss the recent progress on solid–liquid interfacial friction from the perspective of interfaces. We first discuss the fundamentals and theoretical evolution of solid–liquid interfacial friction based on both bulk interactions and molecular interactions. Then, we summarize the interfacial friction regulation strategies manifested in both natural surfaces and artificial systems, focusing on how liquid, solid, gas, and hydrodynamic coupling actions mediate interfacial friction. Next, we discuss some practical applications that are inhibited or reinforced by interfacial friction. At last, we present the challenges to further understand and regulate interfacial friction.

Keywords: interfacial interaction, solid–liquid interface, interfacial friction, friction regulation


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Publication history
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Publication history

Received: 03 May 2022
Revised: 09 September 2022
Accepted: 27 September 2022
Published: 13 March 2023
Issue date: December 2023


© The author(s) 2022.


This work was supported by the funding from Health@InnoHK (Hong Kong Centre for Cerebro–cardiovascular Health Engineering (COCHE)), the Innovation and Technology Commission, the Government of the Hong Kong Special Administrative Region of the People’s Republic of China, the National Natural Science Foundation of China (12102250), and China Postdoctoral Science Foundation (2020TQ0190 and 2020M681290).

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