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Equi-Biaxial Fatigue Behaviour Of Magnetorheological Elastomers In Magnetic Fields, Yanfen Zhou, Mark Johnson, Shipeng Wen, Tony Betts, Stephen Jerrams
Equi-Biaxial Fatigue Behaviour Of Magnetorheological Elastomers In Magnetic Fields, Yanfen Zhou, Mark Johnson, Shipeng Wen, Tony Betts, Stephen Jerrams
Articles
The equi-biaxial fatigue behaviour of silicone based magnetorheological elastomers (MREs) in external magnetic fields was studied. Wöhler curves relating fatigue life to stress amplitude and dynamic stored energy for MREs with a range of magnetic particle contents were derived. It was found that the fatigue life of MREs in magnetic fields was higher than that without magnetic fields. Under constant stress amplitude conditions, the presence of magnetic fields resulted in longer times for the samples to undergo large deformations and thus complex modulus (E*) decreased at a slower rate during the fatigue process, especially for low stress amplitudes. MRE samples …