Sound absorption mechanism, material modification and structural design of various
synthetic fiber materials for industrial noise reduction are reviewed in this paper for the …

Hydrogel foams are an important sub-class of macroporous hydrogels. They are commonly
obtained by integrating closely-packed gas bubbles of 10–1000 μm into a continuous …

The current research on bi-material diamond metamaterials, which can be used to program
the coefficient of thermal expansion (CTE) over a wide range, mainly focuses on the …

This work presents benchmark examples related to the modelling of sound absorbing
porous media with rigid frame based on the periodic geometry of their microstructures. To …

Reticulated foams are widely used in noise control applications. However, difficulties in
controlling the foaming process makes it difficult to control the microstructure and …

Metallic foams with high flow resistivity are of high interest as practical sound absorption
materials. Herein, we report the novel open-cell metallic foams associated with a partially …

The sound absorption properties of highly porosity Si 3 N 4 ceramic foams was studied and
the effect of structural factors such as porosity, pore size and thickness of Si 3 N 4 ceramic …

The multi-scale asymptotic method provides a separate description of the viscous and
thermal response functions governing acoustic waves propagation through porous …

Thin low-frequency acoustic absorbers that are economical to produce using a large-scale
manufacturing process are scarce, and their efficiency is often limited to a narrow frequency …

A multilayered graphene oxide-impregnated polyurethane (GO-PU) foam structure is
proposed to maximize the sound absorption coefficient (SAC). The sound absorption …