From
Horaires à
Lieu sc.046 (Peugeot), Bâtiment Bouygues - CentraleSupélec
Topic: Magneto-active polymers
Magnetically induced friction damping
Abstract
In the field of vibration control, many challenges remain open. The D-Smart research team at FEMTO-ST is working on material architecture in order to propose adaptive and efficient solutions out of the box. This talk will present some of the most relevant results obtained by the team recently, such as a thermally driven damping structure or a robustly tuned mass absorber. The core of the presentation will be a proof of concept published in 2022. This work introduces a new type of composite material lwhere the core is a polymer loaded with permanently magnetized particles and the skins are totally or partially ferromagnetic. Under vibratory loads, the shear at the interface is responsible for an energy dissipated by friction which induces damping. During the presentation, the phenomena will be presented, different modelling and experimental characterization approaches will be highlighted. Finally, some perspectives will be discussed in view of a TRL increase.