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Electromechanical properties of 0-3 vegetable based polyurethane and lead zirconate titanate composite

机译：0-3植物性聚氨酯与锆钛酸铅复合材料的机电性能

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摘要

A composite made of lead zirconate titanate (PZT) ceramic powder and castor oil based polyurethane (PU) was prepared in the thin film form with 0-3 connectivity by spin coating. The composite films were obtained in the thickness range of 100 /spl mu/m to 300 /spl mu/m using 33-vol.% of ceramic. The samples showed flexibility and mechanical resistance. The material was characterised by dielectric spectroscopy, thermally stimulated discharge current (TSDC), hysteresis measurements and laser-intensity-modulation method (LIMM). The pyroelectric coefficient at 343 K was 7/spl times/10/sup -5/ C.m/sup -2/ K/sup -1/ for the sample poled with 10 MV/m at 373 K for 1 h. The results show that this new composite can be used in suitable piezo and pyroelectric sensors.
机译：通过旋涂以薄膜形式制备由锆酸钛酸铅（PZT）陶瓷粉和蓖麻油基聚氨酯（PU）制成的复合材料，薄膜的连接性为0-3。使用33体积％的陶瓷，获得了厚度范围为100 /splμm/ m至300 /splμm/ m的复合膜。样品显示出挠性和机械强度。该材料通过介电谱，热激发放电电流（TSDC），磁滞测量和激光强度调制方法（LIMM）进行了表征。对于在373 K下极化10 MV / m的样品1 h，在343 K时的热电系数为7 / spl乘以10 / sup -5 / C.m / sup -2 / K / sup -1 /。结果表明，这种新型复合材料可用于合适的压电和热释电传感器。

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