High-strength, high-conductivity and heat-resisting aluminum alloy bus and production method thereof
A high-conductivity, aluminum-alloy technology, applied in the direction of metal/alloy conductors, rods/rods/wires/strip conductors, etc., can solve the problems that aluminum alloy materials cannot achieve high strength, high conductivity, heat resistance, etc.
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Embodiment 1
[0031] A high-strength, high-conductivity, heat-resistant aluminum alloy bus bar, the chemical composition of which is:
[0032] Magnesium Mg 0.58%, silicon Si 0.46%, copper Cu 1.22%, zirconium Zr0.14%, rare earth lanthanum La 0.102%, iron Fe0.15%, manganese Mn<0.01%, copper Cu / magnesium Mg ratio is 2.10, balance For aluminum Al.
[0033] The preparation method of a high-strength, high-conductivity, heat-resistant aluminum alloy busbar is as follows:
[0034] 1. Melt the aluminum ingot or molten aluminum for remelting at 750°C and keep it warm;
[0035] 2. Add aluminum-silicon, aluminum-copper, and aluminum-zirconium master alloys at a temperature of 740°C according to the above-mentioned aluminum alloy mass percentage content to melt them all, and stir until the melt is uniform;
[0036] 3. Keep warm at 740°C and pass in nitrogen and argon mixed gas for refining (N 2 / Ar volume ratio: 3 / 1), the ventilation pressure is controlled at 3 atmospheres, and the ventilation flow i...
Embodiment 2
[0048] A high-strength, high-conductivity, heat-resistant aluminum alloy busbar, the chemical composition of which is:
[0049] Magnesium Mg 0.76%, silicon Si 0.58%, copper Cu 1.56%, zirconium Zr 0.18%, rare earth La 0.19%, iron Fe 0.22%, manganese Mn<0.01%, copper Cu / magnesium Mg ratio is 2.05, the rest is aluminum Al.
[0050] The preparation method of a high-strength, high-conductivity, heat-resistant aluminum alloy busbar is as follows:
[0051] 1. Melt the aluminum ingot or molten aluminum for remelting at 745°C and keep it warm;
[0052] 2. Add aluminum-silicon, aluminum-copper, and aluminum-zirconium master alloys at a temperature of 738°C according to the above-mentioned aluminum alloy mass percentage content to melt them all, and stir until the melt is uniform;
[0053] 3. Keep warm at 740°C and pass in nitrogen and argon mixed gas for refining (N 2 / Ar volume ratio: 3 / 1), the ventilation pressure is controlled at 3 atmospheres, and the ventilation flow is controll...
Embodiment 3
[0065] A high-strength, high-conductivity, heat-resistant aluminum alloy bus bar, the chemical composition of which is:
[0066] Magnesium Mg 0.88%, silicon Si 0.72%, copper Cu 1.76%, zirconium Zr0.22%, rare earth La 0.26%, iron Fe0.24%, manganese Mn<0.01%, copper Cu / magnesium Mg ratio is 2.00, the rest is aluminum Al.
[0067] The preparation method of a high-strength, high-conductivity, heat-resistant aluminum alloy busbar is as follows:
[0068] 1. Melt the aluminum ingot or molten aluminum for remelting at 738°C and keep it warm;
[0069] 2. Add aluminum-silicon, aluminum-copper, and aluminum-zirconium master alloys at a temperature of 735°C according to the above-mentioned aluminum alloy mass percentage content to melt them all, and stir until the melt is uniform;
[0070] 3. Keep warm at 740°C and pass in nitrogen and argon mixed gas for refining (N 2 / Ar volume ratio: 3 / 1), the ventilation pressure is controlled at 3 atmospheres, and the ventilation flow is controlle...
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