Composite Materials that are Good Sound Absorbers

Abstract

As a consequence of the accelerated development of science and technology, noise pollution is one of the biggest problems of modern society. The most common method for reducing noise pollution is the use of sound - absorbing materials, sound insulation materials, and noise damping materials. This paper aims to provide a review of composite materials that have been shown to be good sound absorbers. Which include composites made of synthetic, natural and recycled materials. The advantages and disadvantages of synthetic fibres and natural fibres were also studied. The influence of individual components, such as porosity, density, thickness, in composite materials on the sound absorption characteristic is also shown.