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Sound Insulation Property of Threedimensional Spacer Fabric Composites

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Abstract:

Three-dimensional spacer fabric composites (3D composites) are new sandwich structure composites which not only have high specific strength, high specific stiffness, light weight, better integrity, and good designability but also have an excellent sound insulation property and heat-proof performance owing to special sandwich structures. Some 3D composites with different pile heights, face-sheet thicknesses and pile structures were manufactured in order to discuss the relationship between the sound insulation properties and structures of the 3D composites in the paper. Different reverberation-anechoic chamber methods were used to study the sound insulation property. The results showed that three-dimension spacer fabric composites had excellent sound insulation properties, increasing with an increase in pile height and face-sheet thickness, and the sound insulation property of “8”-shaped pile structures were better than that of “88”-shaped ones. The results would offer important guidance for structure optimisation and property analysis of three-dimensional spacer fabric composites.

Tags:

three-dimensional spacer fabric composites, sound insulation property, reverberation-anechoic chambermethod, pile height, face-sheet thickness.

Citation:

Cao H, Yu K, Qian K. Sound Insulation Property of Three-dimensional Spacer Fabric Composites. FIBRES & TEXTILES in Eastern Europe 2014; 22, 4(106): 64-67.

Published in issue no 4 (106) / 2014, pages 64–67.

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