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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.,Tharmarathan, K.,Tan, L.C. (1988). SOUND ABSORPTION OF TROPICAL WOODS AND THEIR RADIATION-INDUCED COMPOSITES.. Radiation Physics and Chemistry 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 apparat s. The samples are of one thickness (7 mm) and cut longitudinally. Wood-polymer composites are made by impregnating the samples with methyl methacrylate which is polymerized in situ through gamma -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.|
|Source Title:||Radiation Physics and Chemistry|
|Appears in Collections:||Staff Publications|
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