Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session BB05: V: Experimental Advances in Polymer Physics
11:30 AM–1:30 PM,
Monday, March 4, 2024
Room: Virtual Room 05
Sponsoring
Unit:
DPOLY
Chair: R Bharath Venkatesh, University of California, Santa Barbara
Abstract: BB05.00008 : Observation of ferroelectric programmability in 3D printed metamaterials*
12:54 PM–1:06 PM
Presenter:
Mohamed Roshdy
(University of Connecticut)
Authors:
Mohamed Roshdy
(University of Connecticut)
Osama R Bilal
(University of Connecticut)
fabricated they retain fixed properties. A growing trend in research is devoted to materials with properties that
can be tuned post fabrication in a programmable manner. Such tunability can be achieved through magnetic,
electric, or thermal stimuli to responsive elements within the metamaterial’s architecture. In this paper, we
present the first demonstration of ferroelectric programmability of 3D printed polymeric metamaterials. We
harness electric poling effects to change the mechanical properties of polyvinylidene fluoride (PVDF). We
utilize the poling-induced softening to reverse metamaterials behavior from attenuating waves to propagating
them and vice versa. We demonstrate the utility of the proposed platform to program a desired set of pixels
within the metamaterials to open a path for waves to propagate in a waveguide. Our findings introduce a
methodology for elastic wave guiding by electrical poling, which can open the door for numerous applications
in various fields such as vibration isolation, wave guiding, and energy harvesting.
*We gratefully acknowledge the Air Force Research Laboratory, Materials and Manufacturing Directorate (AFRL/RXMS) for support via Contract/grant No. FA8650–21–C5711. Distribution A. Approved for public release AFRL-2023-4110: distribution unlimited.
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