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http://dx.doi.org/10.3795/KSME-A.2014.38.10.1069

Study on Piezoelectric Characteristics of Piezoelectric Paint Sensor According to Poling Time  

Han, Dae-Hyun (Dept. of Mechatronics Engineering, and LANL-CBNU Engineering Institute Korea, Chonbuk Nat'l Univ.)
Park, Seung-Bok (Dept. of Mechatronics Engineering, and LANL-CBNU Engineering Institute Korea, Chonbuk Nat'l Univ.)
Kang, Lae-Hyong (Dept. of Mechatronics Engineering, and LANL-CBNU Engineering Institute Korea, Chonbuk Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.38, no.10, 2014 , pp. 1069-1074 More about this Journal
Abstract
In this study, the piezoelectric characteristics of a piezoelectric paint sensor were investigated in relation to the poling time. This piezoelectric paint sensor was composed of PNN-PZT powder and epoxy resin with a 1:1 weight ratio. The dimensions of the paint specimen were $40{\times}10{\times}1mm^3$, and the top and bottom sides were both coated with a silver paste to create electrodes. During the poling treatment, the poling time was controlled to examine the effect of the piezoelectric properties, while the poling temperature was fixed at room temperature and the electric field was set to 4 kV/mm. The piezoelectric properties were measured by comparing the output voltage from the paint sensor to the force signal from an impact hammer when the impact hammer hit the specimen. In conclusion, the optimal poling conditions were found to be an electric field of 4 kV/mm and a poling time of around 30 min at room temperature.
Keywords
Piezoelectric Paint; Poling; Sensor;
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Times Cited By KSCI : 2  (Citation Analysis)
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