期刊
SOFT MATTER
卷 15, 期 29, 页码 5827-5834出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9sm00431a
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资金
- National Research Foundation of Korea - Korean Government (MSIP) [2016R1A2B4007858]
- Korea Institute of Planning and Evaluation for Technology in Food, Agriculture and Forestry (IPET) through Agro and Livestock Products Safety Flow Management Technology Development Program - Ministry of Agriculture, Food and Rural Affairs (MAFRA) [118105-3]
- National Research Foundation of Korea [21A20131700001, 2016R1A2B4007858] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Many research groups have studied biomimetic functional surfaces for practical applications. Dry adhesives inspired by the gecko foot consist of hierarchical and numerous micro/nano hairs and can achieve pull-off strengths for vertical and shear adhesion of up to 20 N cm(-2). However, when detachment of the nearly dry adhesive is carried out by peeling, the pull-off strength of the dry adhesive in the tilted state is remarkably reduced. In this study, an enhanced pull-off strength dry adhesive in the tilted state was fabricated by using a strategy that reduces the restoring force from the bending moment. An experiment with various column-type dry adhesives was implemented to find the relation between the pull-off strength in the tilted state and the bending resistance of the dry adhesive. The feasibility of using a dry adhesive in the tilted state was observed through a glass-lifting experiment. This strategy could be widely utilized in many practical applications, such as robotics.
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