Research on the microstructure and the property of magnetorheological elastomer

Abstract eng:
Magnetorheological elastomer (MRE) is a kind of soft solid magnetic field-responsive material composing of micron-sized magneto-sensitive particles and non-magnetic hyper-elastic matrix. The mechanical or physical behaviour of MRE can be adjusted by using external magnetic field, and the behaviour is strongly correlated with the underlying particle-aggregated microstructures of MRE. This work aimed to find the relation between the microstructure and the property of MRE, and studied the particle aggregation of MRE in curing process and predicted the microstructure-dependent property of cured MRE using particle-level dynamics simulation and finite element analysis, respectively. It is suggested that combining particle-level dynamics with finite element analysis is a preferred way to reveal the dominating mechanism giving rise to the macroscopic performance of MRE.

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