Conductivity 60%iacs medium-strength aluminum alloy wire and preparation method thereof
A medium-strength aluminum alloy and aluminum alloy wire technology, applied in the direction of metal/alloy conductors, cable/conductor manufacturing, circuits, etc., can solve the problems of large power loss in transmission lines, conductivity is only 57%, and high heat treatment temperature. Effects of reducing line loss, reducing secondary dendrite spacing, and improving strength and electrical conductivity
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Embodiment 1
[0048] A medium-strength aluminum alloy wire with a conductivity of 60% IACS, the formula ratio is as follows by weight percentage: 0.16% iron, 0.24% silicon, 0.40% magnesium, 0.01% boron, 0.08% rare earth elements, and the rest is aluminum.
[0049] The rare earth elements are mainly cerium and lanthanum, of which cerium is 0.036%-0.085%, lanthanum is 0.023%-0.052%, and the rest are other mixed rare earth elements.
[0050] Conductivity 60%IACS medium-strength aluminum alloy wire, the steps are as follows:
[0051] (1) Material selection: by weight percentage:
[0052] a. Aluminum ingot: choose 7 tons of aluminum ingot with grade Al99.60, Si-0.14%; Fe0.18%; Cu0.009%; Ti+Mn+Cr+V≤0.02%; other impurity content≤0.03%; for aluminum;
[0053] b. Aluminum-iron alloy: aluminum-iron alloy 10kg, Fe5%; Si0.17%; Cu0.006%; Ti+Mn+Cr+V0.025%; other impurities ≤0.03%; the rest is aluminum;
[0054] c. Aluminum-silicon alloy: 105kg of aluminum-silicon alloy, Si10%; Fe0.18%; Cu0.004%; Ti+Mn...
Embodiment 2
[0079] A medium-strength aluminum alloy wire with a conductivity of 60% IACS, the formula ratio is as follows by weight percentage: 0.22% iron, 0.30% silicon, 0.48% magnesium, 0.02% boron, 0.15% rare earth elements, and the rest is aluminum.
[0080] The rare earth elements are mainly cerium and lanthanum, of which cerium is 0.036%-0.085%, lanthanum is 0.023%-0.052%, and the rest are other mixed rare earth elements.
[0081] Conductivity 60%IACS medium-strength aluminum alloy wire, the steps are as follows:
[0082] (1) Material selection: by weight percentage:
[0083] a. Aluminum ingots: 7 tons of aluminum ingots with the grade Al99.70, guaranteed Si0.08%; Fe0.15%; Cu0.002%; Ti+Mn+Cr+V0.015 in the molten aluminum melted from aluminum ingots %; other impurity content ≤ 0.03%; the rest is aluminum;
[0084]b. Aluminum-iron alloy: aluminum-iron alloy 5kg, Fe5%; Si0.17%; Cu0.006%; Ti+Mn+Cr+V0.023%; other impurities ≤0.03%; the rest is aluminum;
[0085] c. Aluminum-silicon al...
Embodiment 3
[0110] A medium-strength aluminum alloy wire with a conductivity of 60% IACS, the proportion of which is as follows by weight percentage: 0.19% iron, 0.27% silicon, 0.44% magnesium, 0.015% boron, 0.1% rare earth elements, and the rest is aluminum.
[0111] The rare earth elements are mainly cerium and lanthanum, of which cerium is 0.036%-0.085%, lanthanum is 0.023%-0.052%, and the rest are other rare earth elements.
[0112] Conductivity 60%IACS medium-strength aluminum alloy wire, the steps are as follows:
[0113] (1) Material selection: by weight percentage:
[0114] a. Aluminum ingots: Si≤0.16%; Fe≤0.22%; Cu≤0.01%; Ti+Mn+Cr+V≤0.02%; other impurities ≤0.03%; for aluminum;
[0115] b. Aluminum-iron alloy: Fe5%; Si≤0.2%; Cu≤0.1%; Ti+Mn+Cr+V≤0.1%; other impurity content≤0.03%; the rest is aluminum;
[0116] c. Aluminum-silicon alloy: Si10%; Fe≤0.2%; Cu≤0.1%; Ti+Mn+Cr+V≤0.1%; other impurity content≤0.03%; the rest is aluminum;
[0117] d. Aluminum-boron alloy: B3%; Si≤0.2%;...
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