unimorph


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unimorph

[′yü·nə‚mȯrf]
(electronics)
A piezoelectric microphone that consists of a single piezoelectric disk cemented to a thin metal plate.
References in periodicals archive ?
Moreover, it is judged that this sensor can be applied to large-sized structure since it is possible to install large numbers of generators at relatively low cost by using unimorph piezoelectric sensor which is easy to handle.
A peak power of 615 ^W was obtained with an adhered double-layer stalk of 72 x 16 x 0.41 mm at 8 m/s on a 5 Mi load and the maximum power density of 2036 [micro]W/[m.sup.3] was obtained with a unimorph narrow-short stalk of 41 x 8 x 0.205 mm at 7 m/s on a 30 Mi load.
Finite Element Analysis of Galfenol Unimorph Vibration Energy Harvester, IEEE Transactions on Magnetics 48(11): 3977-3980.
Design and simulation of unimorph piezoelectric energy harvesting system, in COMSOL Conference in Bangalore, 17-18 October 2013, Bangalore, India.
An analytical approach based on strain energy evaluation is presented in order to model the unimorph piezoelectric circular diaphragm.
Piezoelectric fibers, a piezoceramic wafer or a piezoceramic unimorph structure are mounted within the tire such that an electric charge is generated as the wheel assembly moves along a ground surface and is stored in energy storage devices.
Called Thunder (for thin-layer composite unimorph ferroelectric driver and sensor), the new technology is based on a piezoelectric ceramic wafer attached to a metal backing with a polyimide adhesive, according to Joycelyn Simpson, a materials research engineer in Langley's Composites and Polymers Branch.
Typically, the vibration-induced piezoelectric energy harvester is composed of a cantilever beam with a tip mass and one or two layers of piezoelectric material (simply called unimorph or bimorph, resp.).
According to the different structures, piezoelectric transducers can be divided into unimorph, bimorph, rainbow type, cymbal type, moonie type, stack type, and so forth [56, 57, 59-63].
At room temperature and ambient pressure, unimorph and bimorph, which utilize the lateral extensional piezoelectric effect, are considered as a promising solution for sensing and energy harvesting [7, 8].