%0 Conference Proceedings %T Acoustic Absorption Behavior of closed-cell Aluminum Foams and sandwich panels %A Babakhani, Abolfazl %A Golestanipour, Masoud %A M. S. Abravi %A M. Malek Jafarian %A A. Sadeghi Aval %J Cellular Materials - CELLMAT 2012 %D 2012