Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/22274
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Title

Choosing the best geometries for the linear characterization of lossy piezoceramics: Study of the thickness-poled shear plate

AuthorsPardo, Lorena CSIC ORCID; Montero de Espinosa Freijo, Francisco CSIC ORCID; García, Álvaro CSIC; Brebøl, Klaus
Issue DateMay-2008
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 92(17): 172907 (2008)
AbstractResonance modes of a thickness-poled piezoceramic shear plate are studied. When determining material properties from impedance measurements, it is required to obtain an uncoupled shear resonance. The shear resonance, which is electrically excited, results to a series of plate resonances, which is mechanically excited by this, when frequencies match. Thus, the condition of a high aspect ratio of the plate is not valid to eliminate coupling. Instead, the thickness (t) and lateral dimensions (L,w) of the plate must be tailored for each material. This approach was tested for a commercial piezoceramic and plates amenable for characterization obtained for aspect ratios below L:t = 15:1 (L = w).
Description3 pages, 2 figures
Publisher version (URL)http://dx.doi.org/10.1063/1.2911731
URIhttp://hdl.handle.net/10261/22274
DOI10.1063/1.2911731
ISSN0003-6951
Appears in Collections:(ICMM) Artículos
(IA) Artículos

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