Surfaces, Interfaces, and Applications
- Yingze Li
Yingze Li
Micro-and Nano-technology Research Center, State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
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- Bo Sun
Bo Sun
Micro-and Nano-technology Research Center, State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
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- Miao Li
Miao Li
Caihong Display Devices Company Limited, Xianyang, Shaanxi 712000, China
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- Hongmiao Tian*
Hongmiao Tian
Micro-and Nano-technology Research Center, State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
*Email: [emailprotected]
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- Jian Xu
Jian Xu
Caihong Display Devices Company Limited, Xianyang, Shaanxi 712000, China
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- Hongrong Hou
Hongrong Hou
Caihong Display Devices Company Limited, Xianyang, Shaanxi 712000, China
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- Dongning Gao
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- Wenjun Li
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- Hongjian Yan
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- Xiaoyong Ning
Xiaoyong Ning
CAIHONG (HEFEI) LCD GLASS CO.,LTD, Hefei, Anhui 230012, China
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- Jinyou Shao
Jinyou Shao
Micro-and Nano-technology Research Center, State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
Frontier Institute of Science and Technology (FIST), Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
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https://pubs.acs.org/doi/10.1021/acsami.4c21993
Published April 16, 2025
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Abstract
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Bioinspired dry adhesives based on van der Waals forces have a wide range of impact in space operations, robot manipulation, and other fields. Previous studies have confirmed the significant advantages of a mushroom-shaped structure in uniformly distributing the separation stress. However, most of them are based on the structure with an abrupt geometric contour and have neglected the effect of a smooth contour on the contact process. Here, we analyze the effect mechanism of geometric contours on the contact-separation behavior of mushroom-shaped adhesive structures by finite element analysis and investigate the enhancement of smooth contours on the adhesive properties of mushroom-shaped structures. On this basis, we propose a one-step forming strategy inspired by the growth mechanism of biological adhesive structures to obtain mushroom-shaped structures with smooth contours by flow forming. The mushroom-shaped structures with smooth contours exhibit more excellent adhesive performance than those with mutant contours in the adhesion test, which verifies the correctness of our proposed law of geometric contours’ influence on adhesive behavior, providing a new idea for the design of dry adhesives and dry adhesive-based systems.
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© 2025 American Chemical Society
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- Chemical structure
- Electric fields
- Polymers
- Stress
- Surface interactions
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ACS Applied Materials & Interfaces
Cite this: ACS Appl. Mater. Interfaces 2025, XXXX, XXX, XXX-XXX
Click to copy citationCitation copied!
Published April 16, 2025
Publication History
Received
Accepted
Revised
Published
online
© 2025 American Chemical Society
Request reuse permissions
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