弯张换能器的发展简史及展望

The brief history of flextensional transducer and prospecting

本文简要地回顾了弯张换能器的发展史，阐述了各型弯张换能器的结构特点，着重比较了实际中广泛应用的ＩＶ型和ＶＩ型的不同之处，并从理论设计方法和驱动元件材料两方面，论述了现代弯张换能器的发展趋势。

This paper reviews the history of flextensional transducer, elaborates the structure characteristics of the different classes of flextensionals, emphasizes to compare the different points of the used widely class Ⅳ and class Ⅶ The treads of the flextensional transducers are discussed from both the theoretical design methods and drive materials.