日本金属学会誌

J. Japan Inst. Met. Mater, Vol. 82, No. 02 (2018),
pp. 33-38

Fabrication of Aluminum Pipe from Aluminum Chips by Friction Stir Back Extrusion

Yoshihiko Hangai 1, Ryusei Kobayashi 1, Ryosuke Suzuki 1, Masaaki Matsubara 1 and Nobuhiro Yoshikawa 2

1 Graduate School of Science and Technology, Gunma University
2 Institute of Industrial Science, The University of Tokyo

Abstract:

Aluminum pipes were fabricated from aluminum chips by a Friction Stir Back Extrusion (FSBE). In this process, aluminum chips were densified by material flow induced by a rotating tool plunged into the aluminum chips. It was found that aluminum pipes can be fabricated from aluminum chips by sufficient material flow with no pores and homogeneous thickness. Aluminum pipes fabricated from aluminum chips exhibited similar compression properties to those of aluminum pipes fabricated by a machining process.

[doi:10.2320/jinstmet.J2017045]


(Received 2017/09/28)

Keywords:

friction welding, X-ray computed tomography, aluminum, recycle


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