Friction welding of titanium and SUS304 stainless steel.

Ochi, Hiizu; Ogawa, Kōichi; Kaga, Seiichi; Ohike, Hisashi; Suga, Yasuo

doi:10.2464/jilm.43.365

Cited by 10 publications

(3 citation statements)

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“…Bonding progressed from the peripheral region of the joint towards the centre in the present work, although it has been reported elsewhere that bonding progressed from the centre towards the periphery in a titanium-304 stainless steel friction welding. 10 In the continuous drive friction welding process, it has previously been reported that temperatures at the interface were distributed as shown in Fig. 8 (Ref.…”

Section: Materials Science and Technologymentioning

confidence: 95%

Evaluation of friction weld interface of aluminium to austenitic stainless steel joint

Fukumoto¹,

Inuki²,

Tsubakino³

et al. 1997

Materials Science and Technology

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A type 1050 commercial aluminium was bonded to a type 304 austenitic stainless steel using a continuous drive friction welding process. The bonding interface conditions were evaluated by means of mechanical tests, to measure tensile and bending properties, and ultrasound microscopic observation. The tensile strength of the joints increased as the frictional time increased. High strength joints could be obtained at africtional time greater than 0·2 s. However, ultrasound microscopy clearly showed that bonding progress occurred from the peripheral region towards the centre of the faying surface and, furthermore, that the frictional time of 0·2 s was not sufficient for complete bonding and much more frictional time was necessary. It is thus difficult to exactly evaluate the joint strength of a soft-hard metal combination by tensile and bending tests alone. Therefore, ultrasound microscopic observation together with mechanical testing is recommended as a convenient method to evaluate such a joint.MST/3565

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Section: Materials Science and Technologymentioning

confidence: 95%

Evaluation of friction weld interface of aluminium to austenitic stainless steel joint

Fukumoto¹,

Inuki²,

Tsubakino³

et al. 1997

Materials Science and Technology

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“…Many researchers have reported that the mechanical and metallurgical properties of friction welded joints of Ti or its alloys show desirable characteristics. [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] Aluminium is another of the most important nonferrous metals. Again, Al and its alloys are widely used for structural components in applications such as automobiles, aerospace, etc.…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties of friction welded joint between Ti–6Al–4V alloy and Al–Mg alloy (AA5052)

Kimura¹,

Nakamura²,

Kusaka³

et al. 2005

Science and Technology of Welding and Joining

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The present paper describes the mechanical properties of a friction welded joint between Ti-6Al-4V alloy and Al-Mg alloy (AA5052). The Ti-6Al-4V/AA5052-H112 joint, made at a friction speed of 27 . 5 rev s 21 , friction pressure of 30 MPa, friction time of 3 . 0 s, and forge pressure of 60 MPa, had 100% joint efficiency and fractured in the AA5052-H112 base metal. The Ti-6Al-4V/AA5052-H34 joint, made under the same friction welding conditions, did not achieve 100% joint efficiency and it fractured in the AA5052-H34 base metal because the AA5052-H34 base metal had softened under friction heating. The joints made at low friction speed or using short friction time showed fracture at the welded interface because a sufficient quantity of heat for welding could not be produced. However, the joints made at high friction speed or using long friction time were also fractured at the welded interface: in this instance, the welded interface also had an intermetallic compound layer consisting of Ti 2 Mg 3 Al 18 . The Ti-6Al-4V/AA5052-H34 joint made at a friction speed of 27 . 5 rev s 21 with friction pressure of 150 MPa, friction time of 0 . 5 s, and forge pressure of 275 MPa had 100% joint efficiency and fractured in the AA5052-H34 base metal, although the AA5052-H34 side softened slightly. In conclusion, the Ti-6Al-4V/AA5052-H112 joint and Ti-6Al-4V/AA5052-H34 joint had 100% joint efficiency and fractured in the AA5052 base metal when made under the friction welding conditions described above.

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“…Such resultant conditions can be seen in friction-welded joints between titanium and stainless steels. 4 ' 5 To join aluminium alloys and steels, the authors have carried out experiments by varying the shapes of base materials and welding conditions but have not been able to obtain perfect joints so far. This is presumed to be because a brittle compound layer was formed at the interface, 6 -8 and therefore the authors have tried friction welding using an insert metal.…”

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confidence: 99%