Tunable layered composites based on magnetoactive elastomers and piezopolymer for sensors and energy harvesting devicesстатья
Информация о цитировании статьи получена из
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Дата последнего поиска статьи во внешних источниках: 25 ноября 2020 г.
Аннотация:The novel layered structures comprising piezoelectric polymer and magnetoactive elastomer(MAE) were developed and investigated. The influence of iron particles content in theelastomeric layer, its thickness and Young’s modulus of silicone on the multiferroic propertiesof the structures were analyzed. The investigation included the experimental and numericalcharacterization of the magnetoelectric effect. The giant values of bending deformations ofMAEs in the external gradient magnetic field led to giant values of induced voltage (up to nearly650 mV) in the composite. The displacement of ferromagnetic particles inside the elastomericmatrix under gradient magnetic field became the main basis for numerical modelling. Themolecular dynamic method, ‘virtual springs’ method and Verlet algorithm were used to obtainthe results of the numerical experiment. The energy transformation and magnetic field responsein the novel composite allow it to be used in sensors and energy-harvesting devices.