ArticleSensors (Basel, Switzerland)2025
Optimized Magnetization Distribution in Body-Centered Cubic Lattice-Structured Magnetoelastomer for High-Performance 3D Force-Tactile Sensors.
Hongfei Hou, Ziyin Xiang, Chaonan Zhi, Haodong Hu, Xingyu Zhu, Baoru Bian, Yuanzhao Wu, Yiwei Liu, Xiaohui Yi, Jie Shang and 1 more
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In one paragraphArticle in Sensors (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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11 authors.
Hongfei HouSchool of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.
Ziyin XiangCAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.ORCID 0000-0002-6035-5554 Chaonan ZhiCAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
Haodong HuCAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
Xingyu ZhuSchool of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.
Baoru BianCAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
Yuanzhao WuCAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
Yiwei LiuCAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
Xiaohui YiCAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.ORCID 0000-0001-7136-1426 Jie ShangCAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.ORCID 0000-0003-0996-1038 Run-Wei LiCAS Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
Funding
Chinese Academy of Sciences Youth Innovation Promotion Association 2018334International Partnership Program of Chinese Academy of Sciences 181GJHZ2024138GCNational Key R&D Program of China 2024YFB3814100, 2023YFC3603500National Natural Science Foundation of China U24A6001, 52127803, U24A20228, U22A20248, U22A2075, 62174165, 52301256, 52401257, 52201236, 62204246, M-0152Natural Science Foundation of Zhejiang Province LMS25F040007Natural Science Foundation of Zhejiang Province LQ23F040004Ningbo Key Research and Development Program 2023Z097, 2024Z148, 2024Z143, 2024Z199, 2024Z171Ningbo Natural Science Foundations 2022J288, 2023J049, 2023J326, 2023J345, 2024J068, 2024J241Ningbo Public Welfare Program 2023S067Ningbo Technology Project 2022A-007-CProject of Zhejiang Province 2022R52004Talent Plan of Shanghai Branch, Chinese Academy of Sciences CASSHB-QNPD-2023-022
6 · The paper itselfAbstract
Flexible magnetic tactile sensors hold transformative potential in robotics and human-computer interactions by enabling precise force detection. However, existing sensors face challenges in balancing sensitivity, detection range, and structural adaptability for sensing force. This study proposed a pre-compressed magnetization method to address these limitations by amplifying the magnetoelastic effect through optimized magnetization direction distribution of the elastomer. A body-centered cubic lattice-structured magnetoelastomer featuring regular deformation under compression was fabricated via digital light processing (DLP) to validate this method. Finite element simulations and experimental analyses revealed that magnetizing the material under 60% compression strain optimized magnetization direction distribution, enhancing force-magnetic coupling. Integrating the magnetic elastomer with a hall sensor, the prepared tactile sensor demonstrated a low detection limit (1 mN), wide detection range (0.001-10 N), rapid response/recovery times (40 ms/50 ms), and durability (>1500 cycles). By using machine learning, the sensor enabled accurate 3D force prediction.
Indexed as
3D printingflexible tactile sensorslattice structuremagnetization directionmagnetoelastomer
Identifiers
PMID40218827
PMCPMC11990970
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