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Results of investigations on development of high-efficient electrode and filler materials for welding and surfacing of copper and alloys on its base are considered. It is shown that increased requirements to quality of welded joints and deposited metal can be satisfied, primarily due to development of reliable welding consumables: electrode and filler wires, fluxes (fused and activating flux-pastes), as well as special coated electrodes. Arc welding and surfacing processes improved on their base provide the required level of thermophysical properties of welded joints, high strength and tightness of welds, reliable service durability in friction assemblies and corrosion media, etc. Effectiveness of new welding consumables is confirmed by their practical application in manufacture of welded crucible moulds of electrometallurgical furnaces, welding busbars, electrode holders, enlargement of hot-rolled coils for their further rolling, making various bimetal items by surfacing, etc. 10 Ref., 5 Tables.

Effectiveness of application of new consumables in welding and surfacing of copper and its alloys (Review)