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Bio-inspired smart surface to achieve controllable locomotion through adjustable anisotropic friction
文献摘要：
Anisotropic friction generated by microstructured surfaces is crucial for performing functions such as directional locomotion and adhesion in biological systems.Hence,an epoxy-based shape memory polymer(SMP)incorporating Fe3O4 nanoparticles is used in this study to create a smart surface with oriented structures to mimic anisotropic friction and exploit human-developed controllable locomotion systems.Applying the specific properties of the epoxy-based SMP,fast switching friction can be achieved by adjusting the topography and stiffness of the microstructures on the surface.In addition,the photothermogenesis effect of Fe3O4 nanoparticles induces changes in the asymmetric topography and stiffness on the SMP surface under the irradiation of near-infrared(NIR)light,thereby inducing a rapid switching of the friction force.Furthermore,a microbot is created to demonstrate remotely controlled locomotion,such as unidirectional and round-trip movements,and braking by switching the friction force under NIR light.These results are promising for the design of new intelligent surfaces and interfaces;additionally,they may facilitate the investigation of biological structures and processes.
文献关键词：
中图分类号：
[1] 数理科学和化学（O） / 力学（O3） / 振动理论（O32） / 非线性振动（O322）
[2] 自动化技术、计算机技术（TP） / 计算技术、计算机技术（TP3） / 计算机的应用（TP39） / 信息处理(信息加工)（TP391）
[3] 金属学与金属工艺（TG） / 金属学与热处理（TG1） / 金属材料（TG14） / 铸铁（TG143） / 其他铸铁（TG143.9）
作者姓名：
Zhongying JI;Shiyu QIN;Shuanhong MA;Xin JIA;Xiaolong WANG;Feng ZHOU
作者机构：
State Key Laboratory of Solid Lubrication,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences,Lanzhou 730000,China;School of Chemistry and Chemical Engineering,Shihezi University,Shihezi 832003,China
文献出处：
摩擦（英文）
引用格式：
[1]Zhongying JI;Shiyu QIN;Shuanhong MA;Xin JIA;Xiaolong WANG;Feng ZHOU-.Bio-inspired smart surface to achieve controllable locomotion through adjustable anisotropic friction)[J].摩擦（英文）,2022(08):1180-1191
A类：
photothermogenesis,microbot
B类：
Bio,inspired,smart,controllable,locomotion,through,adjustable,anisotropic,friction,Anisotropic,generated,microstructured,surfaces,crucial,performing,functions,such,adhesion,biological,systems,Hence,epoxy,shape,memory,polymer,SMP,incorporating,Fe3O4,nanoparticles,used,this,study,oriented,mimic,exploit,human,developed,Applying,specific,properties,fast,switching,can,be,achieved,adjusting,topography,stiffness,microstructures,In,effect,induces,changes,asymmetric,under,irradiation,near,infrared,NIR,light,thereby,inducing,rapid,force,Furthermore,created,demonstrate,remotely,controlled,unidirectional,round,trip,movements,braking,These,results,promising,design,new,intelligent,interfaces,additionally,they,may,facilitate,investigation,processes
AB值：
0.559291
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