Correlation between the acoustic and dyn
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N.N. Najib; Z.M. Ariff; A.A. Bakar; C.S. Sipaut
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Article
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2011
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Elsevier Science
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Acoustic absorbing foam materials are produced from dry natural rubber (NR) with the addition of sodium bicarbonate as a blowing agent. The acoustical efficiencies of NR foams were studied, and the results show a significant influence of the viscoelastic and damping properties of the base matrix. Bo