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Additive Manufacturing Of Piezoelectric Photopolymer Ferroelectrets, Rami Abu Shammeh
Additive Manufacturing Of Piezoelectric Photopolymer Ferroelectrets, Rami Abu Shammeh
Electronic Thesis and Dissertation Repository
Electroactive polymers are an emerging branch of smart materials that possess the capability to change shape in the presence of an electric field. Particularly, ferroelectrets are films of electrostatically charged dielectric polymer foam that comprise a growing portion of EAP literature. Ferroelectrets are characterized by a piezoelectric response and a quasi-permanent charge polarization owing to the dipoles created when the air cavities in the polymer matrix undergo dielectric breakdown. However, these cavities are often irregular in shape, size, and distribution when produced with conventional preparation methods. To overcome this, we employ a light-based additive manufacturing technique to create a hybrid …