• CN: 11-2187/TH
  • ISSN: 0577-6686

Journal of Mechanical Engineering ›› 2023, Vol. 59 ›› Issue (18): 130-143.doi: 10.3901/JME.2023.18.130

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Recent Development of Flexible Magnetoelectric Material Systems and Related Additive Manufacturing Techniques

SU Bin, YAN Chunze, SHI Yusheng   

  1. State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074
  • Received:2022-12-06 Revised:2023-06-15 Online:2023-09-20 Published:2023-12-07

Abstract: Flexible magnetoelectric materials are a kind of composite materials. Magnetic and conductive materials with low Young's moduli are dispersed in the flexible media. Flexible magnetoelectric material systems focus on the synergy effect of their "magnetic components" and "conductive components". When the external force has been applied, the interaction between the "magnetic components" and the "conductive components" in the system changes, yielding the mechanoelectrical conversion capability. Research progress of flexible magnetoelectric material system has been reviewed. Three kinds of working principles for flexible magnetoelectric material systems are summarized, including the deformation of the flexible magnetic components, the deformation of the flexible conductive components and the change of the interaction distance between the flexible magnetic and conductive components by external forces. Furthermore, powder, filament or photo-curing based additive manufacturing technologies have been used to construct flexible magnetoelectric material systems. Finally, promising applications in the fields of self-powered sensors and energy harvesters, as well as existing problems and development trend, of flexible magnetoelectric material systems have been discussed. Design and manufacture of new flexible magnetoelectric materials has been summarized, laying a foundation for its subsequent applications in human-computer interaction, flexible sensing and medical rehabilitation fields.

Key words: flexible, magnetoelectric, additive manufacturing, self-powered sensors, energy harvester

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