On the acoustical properties of metallic hollow sphere structures (MHSS)

被引：16
|
作者：
Pannert, W. [1 ]
Winkler, R. [1 ]
Merkel, M. [1 ]
机构：
[1] Univ Appl Sci Aalen, Dept Mech Engn, D-73430 Aalen, Germany
来源：
MATERIALS LETTERS | 2009年 / 63卷 / 13-14期
关键词：
Metallic hollow sphere structures; Composite materials; Characterization methods; Acoustical property; Impedance tube; SOUND-ABSORPTION;
D O I：
10.1016/j.matlet.2008.10.063
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Well-known advantages of cellular metals are their high ability for energy absorption. good damping behavior and sound absorption at a high specific stiffness. This paper has a focus on the absorption coefficient representing the acoustical property. The absorption coefficient is analysed experimentally by an impedance tube. Results fit well to theoretical investigations described by Champoux and Allard. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：1121 / 1124
页数：4
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