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— Organic foam with copper, brass, iron and steel mesh reinforcement are prepared. Acoustic shielding test, yielding Sound absorption coefficient of the samples is performed. The reinforced samples showed better result than normal foam especially in lower frequency range. Foam with brass and steel mesh reinforcement showed the best sound absorption capability among all of the samples at the lower frequency of 200-250Hz. The SEM result testified that the holes in the reinforced samples are discontinuous causing energy loss of the sound wave and thus imparting better sound absorption capabilities to them.

A Comprehensive Study of the Acoustic Properties of Metal Meshed Reinforced Sustainable Foam