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