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Magnetostrictive polymer composites: recent advances in materials, structures and properties
Progress in Materials Science ( IF 37.4 ) Pub Date : 2018-08-01 , DOI: 10.1016/j.pmatsci.2018.02.005
Rani Elhajjar , Chiu-Tai Law , Alessandro Pegoretti

Abstract Magnetostrictive polymer composites (MPCs) are a class of materials having the ability to simultaneously change dimensions, elastic and/or electromagnetic properties under the presence of a magnetic field. Their advantages over bulk magnetostrictive metals are high resistivity, extended frequency response, low weight, ease of formability and improved mechanical properties. In this review, advances in MPCs and their applications since the year 2000 are presented. A wide range of reinforcements and morphologies used to generate magnetostrictive response in polymers are considered, including carbonyl iron, nickel and rare-earth metal based reinforcements. A critical analysis of the various polymeric systems from stiff thermosets to soft elastomers is provided, focusing on how the material selection influences the magnetorheological and magnetoelectric properties. Multiscale approaches, such as continuum micromechanics based theories and multi-physics finite element approaches, for modeling the coupled magneto-elastic responses are also reviewed. Recognizing their unique properties, recent applications of MPCs in electric current and stress sensing, vibration damping, actuation, health monitoring and biomedical fields are also presented. The survey allows us to shed light on new directions for fundamental research, interface studies and modeling improvements for advancing the application of MPCs.

中文翻译:

磁致伸缩聚合物复合材料:材料、结构和性能的最新进展

摘要 磁致伸缩聚合物复合材料 (MPC) 是一类能够在磁场存在下同时改变尺寸、弹性和/或电磁特性的材料。与块状磁致伸缩金属相比,它们的优势在于高电阻率、扩展的频率响应、重量轻、易于成型和改进的机械性能。在这篇综述中,介绍了自 2000 年以来 MPC 及其应用的进展。考虑了用于在聚合物中产生磁致伸缩响应的各种增强材料和形态,包括基于羰基铁、镍和稀土金属的增强材料。提供了对从刚性热固性塑料到柔软弹性体的各种聚合物系统的批判性分析,关注材料选择如何影响磁流变和磁电特性。还回顾了用于模拟耦合磁弹性响应的多尺度方法,例如基于连续介质微观力学的理论和多物理场有限元方法。认识到它们的独特特性,还介绍了 MPC 在电流和应力传感、减振、驱动、健康监测和生物医学领域的最新应用。该调查使我们能够阐明基础研究、界面研究和建模改进的新方向,以推动 MPC 的应用。认识到它们的独特特性,还介绍了 MPC 在电流和应力传感、减振、驱动、健康监测和生物医学领域的最新应用。该调查使我们能够阐明基础研究、界面研究和建模改进的新方向,以推动 MPC 的应用。认识到它们的独特特性,还介绍了 MPC 在电流和应力传感、减振、驱动、健康监测和生物医学领域的最新应用。该调查使我们能够阐明基础研究、界面研究和建模改进的新方向,以推动 MPC 的应用。
更新日期:2018-08-01
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