Polymers Polymère électrostrictif Mechanical properties PiezoElectricity Bimetallic strips Matériaux Elastocaloric effect Piezoelectric elements Electroactive polymers Ferromagnetic composites Energy conversion Fabrication additive Polyurethane Modélisation Materials Piezoelectric coefficient Nonlinear Natural rubber Piezoelectric ceramics Hysteresis loss Permittivity Low-frequency induction heating Energétique Piézoélectricité Elastocaloric Electromechanical conversion Structural health monitoring Piezoelectricity Dielectric materials Electroactive material Jiles-Atherton model Vibration energy harvesting Ceramic materials Finite element simulation Piezoelectric Materials Solid-state cooling Energy harvesting Electroactive polymer Bruit de Barkhausen Carbon nanotubes Thermal energy Bimetal Ericsson cycle Electrostrictive Conducting polymers Contrôle non destructif Ferromagnetic materials Mechanical energies Yarn Solid state reactions Contraintes mécaniques Wave propagation Hystérésis magnétique Magnetic hysteresis Fractional derivative Additive manufacturing Polarization Caoutchouc naturel Electrostrictive polymers Damping Hysteresis Barkhausen noise Vibration control Vibration Piezoelectric devices Eddy current testing Composite Fractional derivatives Medical applications Ferroelectric materials Ferroelectric ceramics Frequency dependence Electromechanical coupling Composite materials Couplings Actuator Amortissement des vibrations Dielectric properties Electro-active polymers Strain Récupération d'énergie Magnetic incremental permeability Dielectric permittivities Bistable Electric fields Mechanical actuators Electrotechnique Ferroelectricity Actuators Capteur Electrostriction Energy Harvesting Piezoelectric Energy transfer Dielectrophoresis Nanocomposites Mechanical excitations Electrostrictive polymer Ferroelectric Electrotechnics