Production method of 3003-brand cathode aluminum foil
A technology of cathode aluminum foil and manufacturing method, applied in electrolytic capacitors, electrical components, circuits, etc., can solve the problems of complicated process, growth of recrystallized grains, affecting product quality, etc.
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Embodiment 1
[0019] Embodiment 1: Take the 3003 brand cathode aluminum foil with a thickness of 0.041mm as an example:
[0020] a. Send the electrolytic aluminum melt to the smelting furnace, add aluminum ingots accounting for 20% of the total weight of the electrolytic aluminum melt, control the temperature of the melt at 750°C, and adjust the mass percentage of each element in the melt to: Si: 0.1% , Fe: 0.5%, Cu: 0.1%, Mn: 1.1%, Ti: 0.02%, and the balance is Al; use pure nitrogen to spray powder refining agent SY-PJ1 into the melt for refining, and the addition of SY-PJ1 is adjusted 0.1% of the weight of the melt after the element composition, fully stir evenly, refining time is 8 minutes, then stand for 15 minutes, remove the scum on the surface of the molten aluminum, pour it into the static furnace, and control the temperature in the static furnace to 750 ° C; The aluminum liquid in the static furnace is sent into the launder, and the aluminum titanium boron wire is added reversely t...
Embodiment 2
[0024] Embodiment 2: Take the 3003 brand cathode aluminum foil with a thickness of 0.041mm as an example:
[0025] a. Send the electrolytic aluminum melt to the smelting furnace, add aluminum ingots accounting for 40% of the total weight of the electrolytic aluminum melt, control the temperature of the melt at 780°C, and adjust the mass percentage of each element in the melt to: Si: 0.12% , Fe: 0.48%, Cu: 0.12%, Mn: 1.15%, Ti: 0.03%, and the balance is Al; use pure argon to spray powder refining agent SY-PJ1 into the melt for refining, and the amount of SY-PJ1 added is After adjusting the elemental composition to 0.4% of the melt weight, fully stir it evenly, the refining time is 10 minutes, and then stand still for 25 minutes to remove the scum on the surface of the molten aluminum, pour it into a standing furnace, and control the temperature in the standing furnace to 760°C; Feed the liquid aluminum in the static furnace into the launder, add aluminum titanium boron wire in ...
Embodiment 3
[0029] Embodiment 3: Take the 3003 brand cathode aluminum foil with a thickness of 0.041mm as an example:
[0030]a. Send the electrolytic aluminum melt to the smelting furnace, add aluminum ingots accounting for 30% of the total weight of the electrolytic aluminum melt, control the temperature of the melt to 770°C, and adjust the mass percentage of each element in the melt to: Si: 0.15% , Fe: 0.45%, Cu: 0.15%, Mn: 1.2%, Ti: 0.04%, and the balance is Al; use pure nitrogen to spray powder refining agent SY-PJ1 into the melt for refining, and the addition of SY-PJ1 is adjusted 0.3% of the weight of the melt after the element composition, fully stirred evenly, the refining time was 9 minutes, and then stood still for 20 minutes to remove the scum on the surface of the molten aluminum, pour it into a standing furnace, and control the temperature in the standing furnace to 755°C; The aluminum liquid in the static furnace is sent into the launder, and the aluminum titanium boron wir...
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