%0 Conference Proceedings %T Al-SiO2 nanocomposite foam Production by ultrasonic technique using pure and heat treated TiH2 foaming agent %A Salehi, Akram %A Babakhani, Abolfazl %A Zebarjad, Seyed Mojtaba %J 3rd International Engineering Materials and Metallurgy Conference and Exhibition (iMat 2014 %D 2014