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Polyvinylidene fluoride or polyvinylidene difluoride (PVDF) is a highly non-reactive thermoplastic fluoropolymer produced by the polymerization of vinylidene difluoride. Its chemical formula is (C 2 H 2 F 2) n. PVDF is a specialty plastic used in
Piezoelectric polymers (PVDF, 240 mV-m/N) possess higher piezoelectric stress constants (g 33), an important parameter in sensors, than ceramics (PZT, 11 mV-m/N), which show that they can be better sensors than ceramics. Moreover, piezoelectric polymeric sensors and actuators, due to their processing flexibility, can be readily manufactured ...
The increased piezoelectric response and poling efficiency near to x = 0.52 is due to the increased number of allowable domain states at the MPB. At this boundary, the 6 possible domain states from the tetragonal phase 100 and the 8 possible domain states from the rhombohedral phase 111 are equally favorable energetically, thereby allowing a ...
John Reichart decided to go "all in" this year by decorating every house on his block with Christmas lights for his wife who has Alzheimer's.
A Texas grandmother is accused of having an unnecessary gastric feeding tube placed into her granddaughter. Lisa Campbell-Goins is charged with unlawful restraint, exploitation of a child and ...
Are we multitasking too much? Why it can be stressful and inefficient — and how to step back.
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