Copper and steel bimetal bridging welding method
A welding method and bimetallic technology, applied in welding equipment, metal processing equipment, welding/welding/cutting items, etc., can solve the problems of poor air tightness of workpieces, low tensile strength of joints, high requirements for welding personnel, etc., and achieve good welding , easy to standardize operation, combined with tight effect
Inactive Publication Date: 2014-04-30
NORTHEASTERN UNIV
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The invention belongs to the technical field of metal welding, and particularly relates to a copper and steel bimetal bridging welding method. The method includes firstly adding copper material and charcoal into a steel drum, then placing the steel drum in a heating furnace to form flux inside, placing the steel drum with the flux into a centrifuge, turning on the centrifuge to rotate in the speed of 400 to 800 rpm, allowing the flux to cool till solidifying as copper alloy, allowing the middle of the copper alloy to form a sump, obtaining a bimetal drum, then placing the bimetal drum into casting sand to cool till room temperature, obtaining a bimetal combined drum, rolling, extruding, tensioning, forging and cutting the bimetal combined drum, obtaining a steel and copper welding bridge, welding steel to be welded to the steel side of the welding bridge, welding copper to be welded to the copper side of the welding bridge, and finishing steel and copper welding. According to the technical scheme, the atomically-bound copper and steel bimetal serves as a bridge, copper and copper, steel and steel can be welded easily, and copper and steel bimetal welding can be realized.
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Property | Measurement | Unit |
Tensile strength | 180.0 ~ 380.0 | MPa |
Tensile strength | 380.0 | MPa |
Tensile strength | 330.0 | MPa |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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