文章综述了功能材料及其应用于换能器技术的研究进展,包括声学换能器领域应用的功能材料发展状况及基于这些材料的换能器新设计,所提及的材料包括磁致伸缩材料、弛豫铁电材料、压电复合材料、压电聚合物材料及高温压电陶瓷材料等等.文章还概要介绍了一项应用于声学换能器领域的新技术——微机电(MEMS)技术及其换能器. In this paper, the research progress of functional materials and their applications in transducer technology are summarized, including the development of functional materials used in acoustic transducers and new transducer designs based on these materials. The materials mentioned include magnetostrictive materials , Relaxation ferroelectric materials, piezoelectric composites, piezoelectric polymer materials and high temperature piezoelectric ceramic materials, etc. The article also briefly introduces a new technology used in the field of acoustic transducers - micro-electromechanical (MEMS) Technology and its transducers.