磁流变弹性体(Magnetorheological elastomer)是磁流变材料中新的一员,是由天然或人造橡胶和微米级的可磁化颗粒在外加磁场下固化而成。由于颗粒在橡胶中形成了近似链状结构,因此其流变特性(如刚度、阻尼)可由外加磁场来控制。综述了近年来国内外磁流变弹性体的研究情况,分析了其理论模型和一些力学性能测试方法,并展望了其应用前景。
Magnetorheological elastomer(MRE) is a new class of the magnetorheological materials,which consists of natural or synthetic rubber and micron-sized magnetizable particles solidified under the external magnetic field. Because of the chain-like structure of particles in the rubber,its theological properties(such as stiffness and damping) can be controlled by the applied magnetic field. In this paper, the research advances in MRE in recent years at home and abroad are reviewed. Some theoretical models and testing methods of mechanic performances are analyzed. Its potential applications are also viewed.