Sound Absorption Property of Aluminum Foam

摘要

The sound absorption property of aluminum foam was studied and analyzed in thisarticle by testing its sound absorption coefficients using standing wave tube method.Experiments results show that the average values of sound absorption coefficients are all over0.4 and Aluminum foams have better sound 错误！链接无效。 property; its coefficients isinfluenced by frequency and pore structure and has an extreme in about 1000HZ; with theincrease of porosity and decrease of cell diameter the coefficients values increase.