30-silver indium-containing brazing filler metal and preparation process thereof
A preparation process and brazing filler metal technology are applied in the field of 30-silver indium-containing brazing filler metal and its manufacturing process, which can solve the problems that the production cost of new brazing filler metals cannot be increased, the seismic performance is not good, the use cost is equal, and the like. Coarse, reduce material cost, eliminate brittle effect
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Embodiment 1
[0014] According to the mass ratio: select the ingredients of electrolytic copper 33%, silver 29%, and zinc 38% to melt, stir and remove slag at 950°C, and adjust the proportion according to the proportion of indium, accounting for 0.7% of the total mass of the solution, and trace elements respectively Choose strontium, which accounts for 0.05% of the total mass of the solution, and cerium, which accounts for 0.08% of the total mass of the solution; the mixture is added to the solution, and the melting temperature is 980°C, then stirred to remove slag, and the solution is cast out of the furnace to form a rod with a diameter of 50mm and a length of 660mm The cast bar is cut off into a small bar with a length of 90mm after removing the outer oxide skin. The cut small bar is preheated at 430°C, and then extruded at a temperature of 440°C in the mold cylinder. The customer requires a wire diameter plus 0.13mm, and the outer mold of the final wire diameter is used to draw it into a...
Embodiment 2
[0016] According to the mass ratio: select the ingredients of electrolytic copper 41%, silver 29%, and zinc 30% to melt and stir at 960°C to remove slag, and then adjust the proportion according to the proportion of indium, accounting for 0.8% of the total mass of the solution, and trace elements respectively Select strontium, which accounts for 0.10% of the total mass of the solution, and cerium, which accounts for 0.10% of the total mass of the solution; add the mixture to the solution, stir and remove the slag when the melting temperature is 970°C, and cast the solution out of the furnace to form a 50mm in diameter and 660mm in length Bar stock, the cast bar stock is cut off into a small bar stock with a length of 100mm after removing the outer scale, preheating the cut bar stock at 430°C, and then extruding it into a mold at a temperature of 440°C. The wire diameter plus 0.20mm is required by the customer, and the outer mold of the final wire diameter is used to draw it int...
Embodiment 3
[0018] According to the mass ratio: select the ingredients of electrolytic copper 35%, silver 31%, zinc 34% to melt, stir and remove slag at 980°C, and adjust the ratio according to the proportion of indium, accounting for 0.95% of the total mass of the solution, and trace elements respectively Select strontium, which accounts for 0.2% of the total mass of the solution, and cerium, which accounts for 0.15% of the total mass of the solution; add the mixture to the solution, stir and remove the slag when the melting temperature is 960°C, and cast the solution out of the furnace to form a 50mm in diameter and 660mm in length Bar stock, the cast bar stock is cut off into a small bar stock with a length of 110mm after removing the outer scale, preheating the cut bar stock at 430°C, and then extruding it into a mold at a temperature of 440°C. The wire diameter plus 0.14mm is required by the customer, and the outer mold of the final wire diameter is used to draw it into coil wire with...
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