Fusion Welding and Brazing of Copper and Copper Alloys

Andrews, D.

doi:10.1179/095066074790137051

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“…Some general instructions on welding of copper and brass are found in several references. [1][2][3][4][5] Arc welding of copper and copper alloys with other materials is treated by Culcut and Brown. 6,7 Diffusion welding of copper with tin is discussed by Sangha et al 8 A description of resistance welding of copper with steels clad by a non-ferrous metal is given by Stojanovic ´and Boz ˇovic ´.9 Ultrasonic welding of copper is discussed by Flood, 10 and laser welding of copper by Gouveia and Norrish.…”

Section: Introductionmentioning

confidence: 99%

Direct resistance projection welding of copper and brass

Tušek¹,

Tuma²,

Jenko³

et al. 2005

Science and Technology of Welding and Joining

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The present study discusses direct resistance projection welding of a multi-core copper cable to a discharge brass terminal. Resistance welding was carried out with a conventional machine. The upper tungsten electrode, which comes into contact with the multi-core copper cable, and the lower copper electrode, on which the brass terminal is lying during welding, are described. In the experimental research, the optimum welding parameters for direct welding (i.e.welding without an intermediate layer or a brazing filler material) of the two workpieces concerned were found. The welded joints obtained were subjected to a strength test, and metallurgical and resistance investigations. The strength test showed that the welded joint was quality welded and had higher strength than the brazed joint. With a heat resistance test during current conduction, it was found that the joint heated much less than the brazed joint. Metallographic investigations of macro-specimens and a chemical analysis at the copper/brass joining line are described.

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Section: Introductionmentioning

confidence: 99%