首页|Biomimetic Surface Texturing with Tunable Stimulus-Responsive Friction Anisotropy

Biomimetic Surface Texturing with Tunable Stimulus-Responsive Friction Anisotropy

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Micro-and nano-structures are intentionally incorporated into various biological surfaces,such as fish scales,snakeskin,and burr-covered plant leaves,to enhance their interactions with other surfaces.The mechanical anisotropy affects fric-tion,interlocking,propulsion,and mobility on substrates.This study investigates a novel method for developing a robust,stratified,soft,lubricating coating on a surface.3-Methacryloyloxypropyl-trimethoxysilane(MPS)is a cohesive adhesion promoter that functions by infiltrating Polydimethylsiloxane(PDMS)silicone elastomers to maintain low friction levels and high mechanical load-bearing capacity.MPS makes it easier for organic and inorganic materials to adhere to the surface of the initiator layer P(AAm-co-AA-co-PDMS/Fe).We investigate how the tough hydrogel layer of the module impacts the lubricating ability of the multilayer coating when the tough hydrogel layer of the module adheres to the bio-based polyurethane substrate.After 1,000 sliding cycles with a 1 N load,the improved PDMS's Coefficient of Friction(COF)remains steady and low(COF＜0.81).We recommend using the suggested structure and a standard set of optimal variables to enhance the functional efficiency of such systems.In conclusion,we have demonstrated the optimal simula-tion of these parameters for stimulus-responsive,adjustable surface systems.

Biomimetic surfaceStimuli-responsiveFriction anisotropy3D printingCoefficient of friction

Khan Rajib Hossain、Yuanhua Zheng、Xinle Yao、Haiyuan Hu、Zhongying Ji、Xiaolong Wang

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State Key Laboratory of Solid Lubrication,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences,Lanzhou 730000,China

Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100039,China

Department of Orthodontics,Gansu Provincial Hospital,Lanzhou 730000,China

School of Chemistry and Chemical Engineering,Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region,Shihezi University,Shihezi 832003,China

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2024

10.1007/s42235-024-00595-3

仿生工程学报(英文版)
吉林大学

仿生工程学报(英文版)

CSTPCDEI
影响因子：0.837
ISSN：1672-6529
年,卷(期)：2024.21(6)