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一种宽频水下吸声材料及其制备方法
陈猛; 姜恒; 王育人; 蒙丹; 刘瑞霞
2018-03-30
Rights Holder中国科学院力学研究所
Abstract本发明提供了一种宽频水下吸声材料及其制备方法,所述宽频水下吸声材料,包括:多个散射体,第一高分子材料及第二高分子材料,其中:所述多个散射体,为金属杆;所述第一高分子材料,包覆于所述散射体;所述第二高分子材料的弹性模量高于所述第一高分子材料的弹性模量;多个包覆了第一高分子材料的散射体分层排列,并且每相邻两层散射体之间呈正交排列,所述分层呈正交排列的散射体埋入第二高分子材料构成的基体中构成局域共振单元。本发明由包覆软高分子材料的金属杆以正交形式埋入硬的高分子基体中。通过构筑多振子耦合作用结构,可以实现对带隙的拓宽与调控,当考虑材料粘弹性时,可实现在宽频范围内对声波进行有效吸收。
Application Date2016-01-20
Date Available2018-03-30
Patent NumberZL201610037134.X
Language中文
Country中国
Agency北京和信华成知识产权代理事务所
Document Type专利
Identifierhttp://dspace.imech.ac.cn/handle/311007/77362
Collection国家微重力实验室
Recommended Citation
GB/T 7714
陈猛,姜恒,王育人,等. 一种宽频水下吸声材料及其制备方法. ZL201610037134.X[P]. 2018-03-30.
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