The Fabrication of Local Piezoelectric Sensors Using Hydraulic Pressing System Based on PLC

In this study, the local PZT-PVDF composite sensors are produced. The PLC based hydraulic pressure system (250kgF) is as specially designed and fabricated to produce these sensors. The composite sensors are threated under pooling condition in silicon oil at 30 minutes, 120oC. Frequency-voltage charactrestics of the piezoelectric sensor that integrated on vibration measurement system are defined, in addition d33 (piezoelectric coefficient), capacitance (C), and Qm (mechanical quality factor) values are determined. It is seen that, fabricated these sensors have 2.5 to 3.7 Vpp (pick to pick) voltage at 10Hz resonance frequency. d33 and Qm values of the mentioned sensors are characterized as 10.5-8.6 , 3.7-2.5, respectively. In lower frequency, these sensors which have maximum 3.7 Vpp voltage may use as strain sensor, vibration sensor, atomic force microscope cantilever piezoelectric sensor, etc. For the first time, the local piezoelectric sensors are fabricated, and PLC based hydraulic pressure system is designed to produce them in Turkey.

Keywords:

Fabrication, Hydraulic Pressure PLC, Piezoelectric Sensor,

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