Materials Transactions Online

Materials Transactions, Vol.53 No.04 (2012) pp.584-587
© 2012 The Japan Institute of Metals

Fabrication and Tensile Tests of Aluminum Foam Sandwich with Dense Steel Face Sheets by Friction Stir Processing Route

Yoshihiko Hangai1, Nobuyuki Ishii1, Shinji Koyama1, Takao Utsunomiya2, Osamu Kuwazuru3 and Nobuhiro Yoshikawa4

1Graduate School of Engineering, Gunma University, Kiryuu 376-8515, Japan
2Research Organization for Advanced Engineering, Shibaura Institute of Technology, Saitama 337-8570, Japan
3Graduate School of Engineering, University of Fukui, Fukui 910-8507, Japan
4Institute of Industrial Science, The University of Tokyo, Tokyo 153-8505, Japan

An aluminum foam sandwich was fabricated by FSP route. In this process, both the fabrication of a foamable precursor and the metallurgical bonding between the precursor and a dense steel sheet can be simultaneously conducted. Although intermetallic compounds consisting of Fe2Al5 and FeAl3 were generated, tensile tests revealed that the bonding strength of the interface was relatively high compared with the tensile strength of the aluminum foam with a porosity of approximately 80%.

(Received 2011/10/03; Accepted 2011/11/02; Published 2012/03/25)

Keywords: foams, die casting, compression test, friction stir welding

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