نتایج جستجو برای: electromechanical effect
تعداد نتایج: 1647727 فیلتر نتایج به سال:
The behaviour of a piezoelectric sensor is strongly affected by the bonding condition along the interface between the sensor and the host structure. The current paper represents an analytical study of the static effect of the mechanical and geometrical properties of the adhesive layer on the coupled electromechanical behaviour of a thin piezoceramic sensor bonded to an elastic medium. A sensor ...
We have studied thedielectric and electromechanical properties of pure and doped Pb(Zr0.53Ti0.47)O3thin films.Samples were prepared bya sol-gel method and werecalcined at temperatures of 700oC for two hours in a Pb-rich atmosphere.It was observed a negligible effect occurs during the tetragonal–rhombohedral transition in the preparedpure and doped PZT thin films.The optimal amount of electrical...
Electromechanical metamaterials have been the focus of many recent studies for use in simultaneous energy harvesting and vibration control. Metamaterials with quasiperiodic patterns possess useful topological properties that make them a good candidate study. However, it is currently unknown what effect electromechanical coupling may on bandgaps localized edge modes metamaterial. In this paper, ...
Ionic polymer-metal composite (IPMC) actuators have considerable potential for a wide range of applications. Although IPMC actuators are widely studied for their electromechanical properties, most studies have been conducted at the ambient conditions. The electromechanical performance of IPMC actuators at higher temperature is still far from understood. In this study, the effect of temperature ...
Objectıves: Many systemic diseases including cardiovascular disturbances have been described in psoriatic patients. In the previous studies, left ventricul (LV) subclinical myocadial dysfunction was reported in the psoriasis patients. To evaluate the effect of psoriasis on left atrial (LA) functions, which is an important determinant left ventricular filling, atrial electromechanical coupling a...
A suspended, doubly clamped single-wall carbon nanotube is characterized at cryogenic temperatures. We observe specific switching effects in dc-current spectroscopy of the embedded quantum dot. These have been identified previously as nano-electromechanical self-excitation of the system, where positive feedback from single-electron tunneling drives mechanical motion. A magnetic field suppresses...
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