Sound Absorption Properties of Three-Layer Structural Composites Based on Discarded Polyester Fibers and Fabrics
Source abstract
Abstract
Discarded polyester fiber was used as reinforced material and thermoplastic polyurethane was used as matrix material. The fiberboard composite was fabricated by blending and hot processing. Then, the fiberboard composite was drilled and coupled with discarded polyester fabric to fabricate the monolayer structural composites. Finally, the monolayer structural composites with different sound absorption coefficients were cascaded to form the three-layer structural composites. And, the sound absorption peak position of three-layer structural composites shifted to low frequency range, and the sound absorption band of three-layer structural composites was broadened. The three-layer structural composites had better sound absorption property and application prospects than the monolayer structural composites. Theoretical sound absorption coefficients were obtained by theoretical calculation and they had good agreement with the experimental results. The good agreements of comparisons proved the validity of the calculation method.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Acoustic Wave Phenomena Research · Vehicle Noise and Vibration Control · Noise Effects and Management
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Textile Engineering, Dalian Polytechnic University
References (23)
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