Medium strength aluminium alloy wire with conductivity of 55% IACS, and preparation method thereof
A technology of aluminum alloy wire and conductivity, which is applied in the direction of metal/alloy conductor, cable/conductor manufacturing, circuit, etc., to achieve the effect of improving strength, saving construction cost and reducing impact
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Embodiment 1
[0049] A high-strength aluminum alloy wire with an electrical conductivity of 55% IACS, the proportion of which is as follows by weight percentage: iron 0.16%-0.22%, silicon 0.48%-0.54%, magnesium 0.62%-0.67%, boron 0.01%-0.02% , Ytterbium 0.02%-0.05%, the rest is aluminum.
[0050] The preparation method of the high-strength aluminum alloy wire with the conductivity of 55%IACS, the steps are as follows:
[0051] (1) Material selection: by weight percentage:
[0052] a. Selection of aluminum ingot: choose 8 tons of aluminum ingot with grade Al99.70, Si 0.08%; Fe 0.15%; Cu 0.002%; Ti+Mn+Cr+V 0.015%; other impurities ≤0.03%; aluminum;
[0053] b. Aluminum-iron master alloy: aluminum-iron master alloy 52kg, Fe 5%; Si 0.16%; Cu 0.008%; Ti+Mn+Cr+V≤0.03%; other impurities ≤0.03%; the rest are aluminum;
[0054] c. Aluminum-silicon master alloy: 335kg of aluminum-silicon master alloy, Si 10%; Fe 0.18%; Cu 0.004%; Ti+Mn+Cr+V≤0.052%; other impurities ≤0.03%; the rest are aluminum; ...
Embodiment 2
[0079] A high-strength aluminum alloy wire with a conductivity of 55% IACS, the proportion of which is as follows by weight percentage: iron 0.16%-0.22%, silicon 0.48%-0.54%, magnesium 0.62%-0.67%, boron 0.01%-0.02% , Ytterbium 0.02%-0.05%, the rest is aluminum.
[0080] The preparation method of the high-strength aluminum alloy wire with the conductivity of 55%IACS, the steps are as follows:
[0081] (1) Material selection: by weight percentage:
[0082] a. Selection of aluminum ingots: Select 7.5 tons of aluminum ingots with the grade Al99.60 to ensure that in the molten aluminum melted from aluminum ingots: Si 0.12%; Fe 0.19%; Cu 0.009%; Ti+Mn+Cr+V 0.02 %; other impurity content ≤ 0.03%; the rest are aluminum;
[0083] b. Aluminum-iron master alloy: 10kg of aluminum-iron master alloy, Fe 5%; Si 0.18%; Cu 0.008%; Ti+Mn+Cr+V≤0.03%; other impurities ≤0.03%; the rest are aluminum;
[0084] c. Aluminum-silicon master alloy: 305kg of aluminum-silicon master alloy, Si 10%; Fe 0...
Embodiment 3
[0109] A high-strength aluminum alloy wire with an electrical conductivity of 55% IACS, the formula ratio is as follows by weight percentage: 0.2% iron, 0.51% silicon, 0.66% magnesium, 0.015% boron, 0.04% ytterbium, and the rest is aluminum.
[0110] The preparation method of the high-strength aluminum alloy wire with the conductivity of 55%IACS, the steps are as follows:
[0111] (1) Material selection: by weight percentage:
[0112] a. Selection of aluminum ingots: ensure that Si≤0.16%; Fe≤0.20%; Cu≤0.01%; Ti+Mn+Cr+V≤0.02%; other impurity content≤0.03% in molten aluminum melted from aluminum ingots ; The rest are aluminum;
[0113] b. Aluminum-iron master alloy: Fe 5%; Si≤0.2%; Cu≤0.1%; Ti+Mn+Cr+V≤0.1%; other impurities ≤0.03%; the rest are aluminum;
[0114] c. Aluminum-silicon master alloy: Si 10%; Fe≤0.2%; Cu≤0.1%; Ti+Mn+Cr+V≤0.1%; other impurities ≤0.03%; the rest are aluminum;
[0115] d. Aluminum boron master alloy: B 3%; Si ≤ 0.2%; Fe ≤ 0.4%; Cu ≤ 0.01%; other impu...
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