Metal powder filled sheath electrode for resistance welding

Details Metal powder filled sheath electrode for resistance welding Metal powder filled sheath electrode for resistance welding

B - Operations, Transporting

23

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205/5, 327/73, 1

B23K 35/368 (2006.01) B22F 3/12 (2006.01) B22F 7/08 (2006.01) B23K 35/02 (2006.01) B23K 35/40 (2006.01) C22C 32/00 (2006.01)

Patent

CA 1204169

ABSTRACT OF THE DISCLOSURE A process and a product produced thereby, for forming rod or bar or tube stock or strip, comprising a sheath and a densified dispersion strengthened metal core. Powdered dispersion strengthened copper is put into a metal can and compressively reduced to size and density, the relationship between the tensile strength of the core when fully densified and the cold worked tensile strength of the can being important to the nature of the product. The product is particul- arly useful in the fabrication of electrodes for automatic resistance welding machines used, for example, in the manufacture of automobiles. The process in- volves a lower capital expenditure initially and a lower labor content than the previously practiced extrusion method.

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