Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11142
Title: Acoustic band gaps of three-dimensional periodic polymer cellular solids with cubic symmetry
Authors: Chen, Y
Yao, H 
Wang, L
Issue Date: 2013
Publisher: American Institute of Physics
Source: Journal of applied physics, 2013, v. 114, no. 4, 43521 How to cite?
Journal: Journal of applied physics 
Abstract: The band structure and sound attenuation of the triply periodic co-continuous composite materials with simple cubic lattice, body-centered cubic lattice, and face-centered cubic lattice consisting of PMMA and air are investigated using finite element method. Complete band gaps are found in these structures and the width of band gaps is depending on volume fraction. It is shown that the width of band gaps along different directions in the first irreducible Brillouin zone enlarges as the volume fraction increases from 0.2 to 0.7. The largest complete band gap widths of the three types of co-continuous structures are 0.29, 0.54, and 0.55, respectively. As the complete band gaps appear in audible range of frequencies, these triply periodic co-continuous composite materials can be utilized to control noise.
URI: http://hdl.handle.net/10397/11142
ISSN: 0021-8979
EISSN: 1089-7550
DOI: 10.1063/1.4817168
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