Friction Welding of A 6061 Aluminum Alloy and S45C Carbon Steel


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Many researches for friction welding of aluminum with either carbon steel or stainless steel have been carried out. From those results, it is concluded that the greatest problem is the formation of brittle intermetallic compounds at weld interface. However, it is not clearly demonstrated the effect of friction welding parameters on the formation of intermetallic compounds. This research purposes are to evaluate the formation of intermetallic compounds and to investigate the effect of friction welding parameters on the strength of welded joint. For these purposes, A6061 aluminum alloy and S45C carbon steel were used with a continuous drive vertical friction welding machine. Tensile test results revealed that the maximum tensile strength was achieved at extremely short friction time and high upset. The joint strength reached 92% of the tensile strength of A6061 base metal. Tensile strength of friction welding was increasing with increasing upset pressure when friction time 1sec. However, tensile properties were deteriorated with increasing friction time. It was observed that the amount of formed intermetallic compound was increasing with increasing friction time at weld interface. Partly formed intermetallic compound on weld interface were identified when friction time 1sec. However, intermetallic compound layer were severely developed with longer friction time at weld interface. It was concluded that intermetallic compound layer deteriorated the tensile properties of weld joints.



Materials Science Forum (Volumes 449-452)

Edited by:

S.-G. Kang and T. Kobayashi




T. Shinoda and S. Kawata, "Friction Welding of A 6061 Aluminum Alloy and S45C Carbon Steel", Materials Science Forum, Vols. 449-452, pp. 437-440, 2004

Online since:

March 2004




[1] K. Haraga: Welding in the world Vol. 44 (2000), No. 4, p.23.

[2] H. Takegami,T. Shinoda and Y. Wakana: Proc. Material Science International㧘Special Technical Publication-2 (2001)㧘p. 439 Fig. 6 Microstructures of weld interface.

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