柔性磁电材料体系及其增材制造研究进展

doi:10.3901/JME.2023.18.130

摘要/Abstract

摘要： 柔性磁电材料，是将低弹性模量的磁性物质和导电物质分散在柔性介质中的一类复合材料。柔性磁电材料体系着重于“磁性材料”与“导电材料”的协同作用。在外力作用下，体系内“磁性部分”与“导电部分”之间相互作用发生改变，从而获得力-电的转换性能。综述目前柔性磁电材料体系的研究进展；归纳三种柔性磁电材料体系的工作方式，即外力作用下柔性磁部分发生形变、柔性导电部分发生形变以及柔性磁部分与柔性导电部分之间的作用距离改变；介绍基于粉材、丝材以及光固化增材制造技术成形的柔性磁电材料体系，总结其在自供能感知与能源俘获领域的应用，最后探讨柔性磁电材料体系目前存在的问题及发展趋势。通过对新型柔性磁电材料的设计与制造进行阶段性总结，为其后续在人机交互、柔性传感及医疗康复领域的应用奠定了基础。

关键词: 柔性, 磁电, 增材制造, 自供能感知, 能源俘获

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

中图分类号:

TF124

苏彬, 闫春泽, 史玉升. 柔性磁电材料体系及其增材制造研究进展[J]. 机械工程学报, 2023, 59(18): 130-143.

SU Bin, YAN Chunze, SHI Yusheng. Recent Development of Flexible Magnetoelectric Material Systems and Related Additive Manufacturing Techniques[J]. Journal of Mechanical Engineering, 2023, 59(18): 130-143.

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