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Ｐ Ｖ Ｄ Ｆ（ Ｐｏｌｙｖｉｎｙｌｉｄｅｎｅ ｆｌｕｏｒｉｄｅ ， 聚偏氟乙烯） 压电材料具有独特的热电效应和压电效应，是一种新型的高分子多功能材料 Ｐ Ｖ Ｄ Ｆ 压电薄膜由于制作成本低、容易加工和处理、重量轻、机械性能好等优点，在诸多领域的应用受到人们的广泛关注本文从力和输出的关系、温度与输出电压的关系以及动态响应关系三个方面，综述了 Ｐ Ｖ Ｄ Ｆ 压电薄膜在机械、公路交通、建筑、医学、航空航海等方面的最新进展，并分析了压电薄膜的应用前景和存在缺陷
P V D F (Polyvinylidene fluoride) piezoelectric material has unique thermoelectric effect and piezoelectric effect. It is a new kind of polymer multifunctional material. P V D F piezoelectric thin film is easy to manufacture because of its low production cost Processing and processing, light weight, good mechanical properties and so on, and its application in many fields has drawn wide attention from people. In this paper, the relationship between force and output, the relationship between temperature and output voltage and the relationship between dynamic response and P V The latest development of D F piezoelectric film in machinery, highway transportation, architecture, medicine, navigation and so on, and the application prospects and defects of piezoelectric film are analyzed.