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Underwater acoustic absorption of air-saturated open-celled silicon carbide foam
W. G.; Jiang Xu, C. H.; Zhang, J. S.
2015
Source PublicationColloids and Surfaces a-Physicochemical and Engineering Aspects
ISSN0927-7757
Volume471Pages:153-158
AbstractSilicon carbide (SiC) foam prepared by polymer pyrolysis combined with molten silicon reactive infiltration (MRI) process was experimentally studied for the first time regarding its underwater acoustic absorption coefficient (a) mainly over low and middle frequency range (200-4000 Hz). The relationship between a and the pore structure of SiC foam including pore size (d) and foam thickness (t) was studied. The results indicated that a increased with the decrease of pore size from 3 to 1 mm in most frequencies measured. a also increased with sample thickness at both low and medium frequency, but in general it was more sensitive to pore size than to sample thickness. The existing models built for air-filled porous material under atmospheric circumstance were not valid to describe the underwater acoustic absorption behavior of SiC foam materials. (C) 2015 Elsevier B.V. All rights reserved.
description.department[xu, weigang ; jiang, chunhai ; zhang, jinsong] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; zhang, js (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china. ; jshzhang@imr.ac.cn
KeywordSic Foam Underwater Acoustic Absorption Finite Element Method Johnson-champoux-allard Model Porous Materials Sound-propagation Fibrous Materials Media Permeability Carbon
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73989
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
W. G.,Jiang Xu, C. H.,Zhang, J. S.. Underwater acoustic absorption of air-saturated open-celled silicon carbide foam[J]. Colloids and Surfaces a-Physicochemical and Engineering Aspects,2015,471:153-158.
APA W. G.,Jiang Xu, C. H.,&Zhang, J. S..(2015).Underwater acoustic absorption of air-saturated open-celled silicon carbide foam.Colloids and Surfaces a-Physicochemical and Engineering Aspects,471,153-158.
MLA W. G.,et al."Underwater acoustic absorption of air-saturated open-celled silicon carbide foam".Colloids and Surfaces a-Physicochemical and Engineering Aspects 471(2015):153-158.
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