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Volume 9
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Article

Study of Self-Locking Structure Based on Surface Microstructure of Dung Beetle Leg Joint

by
Dexin Sun
1,
Sen Lin
2,
Yubo Wang
3,
Jiandong Cui
3,
Zhiwei Tuo
4,*,
Zhaohua Lin
2,
Yunhong Liang
3,5 and
Luquan Ren
3
1
College of Mechatronics, Changchun Polytechnic, Changchun 130033, China
2
School of Mechanical and Aerospace Engineering, Jilin University, Changchun 130025, China
3
The Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130025, China
4
State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
5
Institute of Structured and Architected Materials, Liaoning Academy of Materials, Shenyang 110167, China
*
Author to whom correspondence should be addressed.
Biomimetics 2024, 9(10), 622; https://doi.org/10.3390/biomimetics9100622
Submission received: 26 August 2024 / Revised: 6 October 2024 / Accepted: 8 October 2024 / Published: 14 October 2024
(This article belongs to the Special Issue Biomimicry and Functional Materials: 4th Edition)
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Abstract

Dung beetle leg joints exhibit a remarkable capacity to support substantial loads, which is a capability significantly influenced by their surface microstructure. The exploration of biomimetic designs inspired by the surface microstructure of these joints holds potential for the development of efficient self-locking structures. However, there is a notable absence of research focused on the surface microstructure of dung beetle leg joints. In this study, we investigated the structural characteristics of the surface microstructures present in dung beetle leg joints, identifying the presence of fish-scale-like, brush-like, and spike-like microstructures on the tibia and femur. Utilizing these surface microstructural characteristics, we designed a self-locking structure that successfully demonstrated functionality in both the rotational direction of the structure and self-locking in the reverse direction. At a temperature of 20 °C, the biomimetic closure featuring a self-locking mechanism was capable of generating a self-locking force of 18 N. The bionic intelligent joint, characterized by its unique surface microstructure, presents significant potential applications in aerospace and various engineering domains, particularly as a critical component in folding mechanisms. This research offers innovative design concepts for folding mechanisms, such as those utilized in satellite solar panels and solar panels for asteroid probes.
Keywords: dung beetle; surface microstructure; self-locking structure; folding mechanism; bionic design dung beetle; surface microstructure; self-locking structure; folding mechanism; bionic design

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MDPI and ACS Style

Sun, D.; Lin, S.; Wang, Y.; Cui, J.; Tuo, Z.; Lin, Z.; Liang, Y.; Ren, L. Study of Self-Locking Structure Based on Surface Microstructure of Dung Beetle Leg Joint. Biomimetics 2024, 9, 622. https://doi.org/10.3390/biomimetics9100622

AMA Style

Sun D, Lin S, Wang Y, Cui J, Tuo Z, Lin Z, Liang Y, Ren L. Study of Self-Locking Structure Based on Surface Microstructure of Dung Beetle Leg Joint. Biomimetics. 2024; 9(10):622. https://doi.org/10.3390/biomimetics9100622

Chicago/Turabian Style

Sun, Dexin, Sen Lin, Yubo Wang, Jiandong Cui, Zhiwei Tuo, Zhaohua Lin, Yunhong Liang, and Luquan Ren. 2024. "Study of Self-Locking Structure Based on Surface Microstructure of Dung Beetle Leg Joint" Biomimetics 9, no. 10: 622. https://doi.org/10.3390/biomimetics9100622

APA Style

Sun, D., Lin, S., Wang, Y., Cui, J., Tuo, Z., Lin, Z., Liang, Y., & Ren, L. (2024). Study of Self-Locking Structure Based on Surface Microstructure of Dung Beetle Leg Joint. Biomimetics, 9(10), 622. https://doi.org/10.3390/biomimetics9100622

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