首页|Multilevel Micro Structures of the Clam Make the Sealing Even Tighter

Multilevel Micro Structures of the Clam Make the Sealing Even Tighter

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Excellent fluid sealing performance is crucial to ensuring the safety of important equipment,especially in aerospace field,such as space capsule and fuel chamber.The frequently opening and closing of the sealing devices is particularly important.Driven by this background,clams(Mactra chinensis)which can open and close their double shells with superior sealing performance,are studied in this work.Here,we show that the clam's sealing ability is the result of its unique multilevel intermeshing microstructures,including hinge teeth and micro-blocks.These microstructures,which resemble gear teeth,engage with each other when the shell closes,forming a tight structure that prevents the infiltration of water from the outside.Furthermore,the presence of micron blocks prevents the penetration of finer liquids.The simulation results of the bionic end seal components show that the multilevel microstructure has a superior sealing effect.This research is expected to be applied to undersea vehicles that require frequent door opening and closing.

Multilevel micro structuresOpening and closing componentsClamSealingBionic

Daobing Chen、Xiaolong Zhang、Junqiu Zhang、Zhiwu Han、Ruteng Wang、Zhen Lin、Yifeng Lei、Longjian Xue、Sheng Liu

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The Institute of Technological Science,Wuhan University,Wuhan 430072,China

School of Power and Mechanical Engineering,Wuhan University,Wuhan 430072,China

The Key Laboratory of Bionic Engineering(Ministry of Education),Jilin University,Changchun 130022,China

Institute of Structured and Architected Materials,Liaoning Academy of Materials,Shenyang 110167,China

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaFundamental Research Funds for the Central UniversitiesOpen Fund of Hubei Key Laboratory of Electronic Manufacturing and Packaging Integration(Wuhan University)Largescale Instrument And Equipment Sharing Foundation of Wuhan University

5210529651973165621611603112042022kf1220EMPI2023020

2024

10.1007/s42235-024-00488-5

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(3)
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