Echo-akoestische applicaties van PVDF
article
There is considerable interest in the electrical properties of the semicrystalline polymer polyvinylidene ffuoride (PVDF), because its piezo- and pyroelectric response are the highest of all polymers known today. The strength of the piezo- and pyroelectric response of PVDF depends strongly on its crystalline form. The production process from the non-oriented c filn to the oriented ß film will be discussed. measurements have been made of the various factors that describe the properties of the piezoelectric polymer films.
A theory for calculation of the Q- and k-factor will be presented. Interesting properties and advantages as well as disadvantages of PVDF transducers over conventional transducers will be discussed.
A theory for calculation of the Q- and k-factor will be presented. Interesting properties and advantages as well as disadvantages of PVDF transducers over conventional transducers will be discussed.
TNO Identifier
246576
Source
NAG Nederlands akoestisch genootschap journaal(november), pp. 13-26.
Pages
13-26
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