Friction welding of an 6061 aluminum alloy and a S45C carbon steel

Shinoda, Takeshi; Kawata, Shiniti; Takegami, Hiroaki

doi:10.2464/jilm.53.385

J. Japan Inst. Light Metals

2003

DOI: 10.2464/jilm.53.385

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Friction welding of an 6061 aluminum alloy and a S45C carbon steel

Takeshi Shinoda¹,

Shiniti Kawata²,

Hiroaki Takegami³

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Cited by 3 publications

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Microstructure Observation of Weld Interface between 6063 Al alloy and S45C Carbon Steel by Means of Friction Stirring

利明¹,

陽一朗²,

貴之³

et al. 2007

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY

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Microstructure of weld interface between 6063 and S45C by means of friction stirring was observed by TEM. The reaction layer was formed along welding direction and depth direction of tool insert. The layers were composed of various intermetallic compounds such as Fe2Al5 and FeAl. The constitution differed with welding conditions. At 500 mm/min of welding speed, the interface had a thin reaction layer. At 1000 mm/min of welding speed, the interface had layered structure. However, both of the weld interfaces had a reaction layer under 1 µm and achieved high tensile strength of weld joint.

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Microstructure Observation of Weld Interface between 6063 Al alloy and S45C Carbon Steel by Means of Friction Stirring

利明¹,

陽一朗²,

貴之³

et al. 2007

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY

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Positioning-controled friction welding of a 6061 aluminum alloy.

Takegami¹,

Shinoda²

2002

J. Japan Inst. Light Metals

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In the conventional friction welding, it is di‹cult to match phases at the particular position of a rotation side and â xed side, because the rotating spindle does not exactly control the stopping position. Development of positioning control friction welding meets to be solved such di‹culties as stop at the speciˆed position during braking. This positioning control friction welding was achieved installing servo motor positioning system. The positioning control was examined for the friction welding of an aluminum alloy 6061. The positioning control was satisfactorily performed with a su‹cient accuracy. Severe metal ‰ow was observed in the vicinity of weld interface during positioning control. In tensile tests, the fracture occurred at the softened zone. The positioning control did not in‰uence on the tensile strength of welded joints. The width of softened zone decreased with increase in brake timing and pressure. The joint welded under an optimum condition showed the maximum joint e‹ciency of 83.5.

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Positioning-controlled friction welding of a 6061 aluminum alloy

Shinoda¹,

ISHIKAWA²,

Takegami³

2005

J. Japan Inst. Light Metals

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Friction welding technique performs superior characteristics on mechanical properties and on production performances. However, the application of this technique is limited in joining of round bar materials due to the lack of positioning control capability. This limitation can be overcome by introducing recent servo system. This study is carried out to clarify the effects of process parameters on mechanical properties of positioning controlled joints of aluminum alloy. A6061 rods with square cross section. The positioning controlled joining was successfully performed. The mechanical properties of them are almost equivalent to the joints fabricated by conventional friction welding process, when sufficient upset distance is applied. Defects of imperfect joining are observed at the corner of the joints with square cross section, with the upset distance is insufficient. Higher upset load makes a better contact area at the weld interface resulting in narrower softened zone and larger upset distance eliminating weld imperfection.

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Friction welding of an 6061 aluminum alloy and a S45C carbon steel

Cited by 3 publications

References 5 publications

Microstructure Observation of Weld Interface between 6063 Al alloy and S45C Carbon Steel by Means of Friction Stirring

Microstructure Observation of Weld Interface between 6063 Al alloy and S45C Carbon Steel by Means of Friction Stirring

Positioning-controled friction welding of a 6061 aluminum alloy.

Positioning-controlled friction welding of a 6061 aluminum alloy

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