Heat-resistant aluminum-alloy conductor material for cables and manufacture method thereof
A technology of aluminum alloy conductors and aluminum alloys, which is applied in the direction of metal/alloy conductors, root rods/rods/wires/strip conductors, etc., can solve the problems that the residual strength rate cannot meet the actual requirements, and achieve improved plasticity and high ductility , Improve the effect of cold working performance
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Embodiment 1
[0020] 1) Add an aluminum ingot with a purity greater than 99.70wt% in the shaft furnace, raise the temperature to 710-760°C to melt the aluminum ingot, raise the temperature to 740-800°C, add 0.35wt% Fe, 0.19wt% Cu, 0.22wt% of Mg, 0.12wt% of Zr, 0.15wt% of Ca, and 0.18wt% of Y are completely melted, and the alloy composition is adjusted to the set range. The alloy elements are based on the aluminum master alloy form join;
[0021] 2) Keep warm at 720-780°C for 30 minutes, then add 0.1wt% refining agent (produced by Kefa Industrial Co., Ltd., Nanhai District, Foshan City) to remove slag and gas, and then cast into aluminum alloy castings.
[0022] 3) Import the aluminum alloy casting into the rolling mill, the temperature of the introduction into the rolling mill is 450-500°C, and the final rolling temperature of the aluminum alloy rod exported from the rolling mill is 280-300°C;
[0023] 4) Cold drawing the aluminum alloy rods into Φ1.5mm aluminum alloy wires, twisting 19 dr...
Embodiment 2
[0027] 1) Add an aluminum ingot with a purity greater than 99.70wt% in the shaft furnace, raise the temperature to 710-760°C to melt the aluminum ingot, raise the temperature to 740-800°C, add 0.45wt% Fe, 0.09wt% Cu, 0.12wt% of Mg, 0.05wt% of Zr, 0.11wt% of Ca, and 0.08wt% of Sc are completely melted, and the alloy composition is adjusted to the set range. The alloy elements are based on the aluminum master alloy form join;
[0028] 2) Keep warm at 720-780°C for 30 minutes, then add 0.3wt% refining agent to remove slag and degas, and then cast into aluminum alloy castings, the casting temperature
[0029] 3) Import the aluminum alloy casting into the rolling mill, the temperature of the introduction into the rolling mill is 450-500°C, and the final rolling temperature of the aluminum alloy rod exported from the rolling mill is 280-300°C;
[0030] 4) Cold drawing the aluminum alloy rods into Φ2.5mm aluminum alloy wires, twisting 19 drawn aluminum alloy wires to prepare conduct...
Embodiment 3
[0034] 1) Add an aluminum ingot with a purity greater than 99.70wt% in the shaft furnace, raise the temperature to 710-760°C to melt the aluminum ingot, raise the temperature to 740-800°C, add 0.75wt% Fe, 0.25wt% Cu, 0.08wt% of Mg, 0.08wt% of Zr, 0.09wt% of Ca, and 0.43wt% of Er are completely melted, and the alloy composition is adjusted to the set range. The alloy elements are based on the aluminum alloy form join;
[0035] 2) Keep warm at 720-780°C for 30 minutes, then add 0.13wt% refining agent to remove slag and degas, and then cast into aluminum alloy castings, the casting temperature
[0036] 3) Import the aluminum alloy casting into the rolling mill, the temperature of the introduction into the rolling mill is 450-500°C, and the final rolling temperature of the aluminum alloy rod exported from the rolling mill is 280-300°C;
[0037] 4) Cold drawing the aluminum alloy rods into Φ3.5mm aluminum alloy wires, twisting 7 drawn aluminum alloy wires to prepare conductor core...
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