五模材料及其水声调控研究

Pentamode material for underwater acoustic wave control

五模材料是一种具有固体特征的复杂流体,可通过超材料技术由固体材料经过微结构精心设计近似得到.可调的模量各向异性和固体特征赋予五模材料优越的水声调控能力,在降低水下物体目标强度等领域有着重要潜在应用,因此受到了国内外工程和学术界关注.本文就五模材料基本概念、微结构设计、声波调控、加工制备等方面对该类材料的研究进展进行详细介绍,并对五模材料在工程中应用存在的问题进行了讨论,以期为后续相关研究者提供参考.

Pentamode materials, made of conventional solids through microstructure design, may have acoustic property of complex fluid. Its superior capacity for underwater acoustic wave manipulation stimulates recently an intense research activity. In this review, pentamode materials and their recent progress are explained from different angles： basic concept, microstructure design, acoustic applications and fabrication technology, in order to provide an overall view on this kind of special material.