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|Title:||Sound absorption of tropical woods and their radiation-induced composites|
|Authors:||Chia, L.H.L. |
|Citation:||Chia, L.H.L.,Teoh, S.H.,Tharmaratnam, K.,Tan, L.C. (1988). Sound absorption of tropical woods and their radiation-induced composites. International Journal of Radiation Applications and Instrumentation. Part 32 (5) : 677-682. ScholarBank@NUS Repository.|
|Abstract:||This is a preliminary study on the sound absorption properties of two tropical hardwoods, Light Red Meranti and Ramin, and their wood-polymer composites. Sound absorption is measured using a standing wave apparatus. The samples are of one thickness (7mm) and cut longitudinally. Wood-polymer composites are made by impregnating the samples with methyl methacrylate which is polymerized in situ through γ-irradiation. Both woods and their composites are better sound absorbers at higher sound frequencies. With partial impregnation, the absorption coefficients are improved upon particularly in the region between 1-3 kHz. © 1988.|
|Source Title:||International Journal of Radiation Applications and Instrumentation. Part|
|Appears in Collections:||Staff Publications|
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