화학공학소재연구정보센터
Materials Science Forum, Vol.486-487, 468-471, 2005
Sound absorption properties of Al foam
Aluminum foam with 0.2 g/cm(3) density showed a good sound absorption property at frequencies higher than 2000 Hz. Compressed aluminum foam. with an air gap of 50 mm or higher exhibited a very high sound absorption property near 400 Hz.