Carbon nano tube reinforced aluminum alloy core aluminum stranded wire and preparation method thereof

[0022] Example 1

[0023] 1) Weigh the ingredients needed to prepare carbon nanotube-strengthened aluminum alloy materials according to the following weight percentages: carbon nanotubes 4%, magnesium 0.4%, manganese 0.7%, chromium 0.1%, nickel 0.01%, titanium 0.1%, copper 0.01%, other unavoidable impurities ≤0.01%, the balance is aluminum;

[0024] 2) Put the above ingredients into a ball mill, add paraffin wax for ball milling, add 0.5ml paraffin wax per gram of carbon nanotube reinforced aluminum alloy material ingredients, ball milling time 12h, rotating speed 600r / min, ball-to-material mass ratio 15:1, The mass ratio of the big and small balls is 1:3, and the ball mill powder is obtained;

[0025] 3) The ball-milled powder obtained in step 2) was vacuum hot-pressed at a temperature of 590°C and a pressure of 10T for 15 hours to prepare a carbon nanotube-strengthened aluminum alloy billet;

[0026] 4) The billet obtained in step 3) is heated at 560°C, and then hot-extruded at a pr

[0029] Example 2

[0030] 1) Weigh the ingredients needed to prepare carbon nanotube reinforced aluminum alloy materials according to the following weight percentages: carbon nanotubes 5%, magnesium 0.6%, manganese 0.4%, chromium 0.08%, nickel 0.01%, titanium 0.09%, copper 0.01%, other unavoidable impurities ≤0.01%, the balance is aluminum.

[0031] 2) Put the above ingredients into a ball mill, add polyethylene glycol for ball milling, add 0.4ml polyethylene glycol per gram of carbon nanotube reinforced aluminum alloy material ingredients, ball milling time 12h, rotating speed 600r / min, ball quality The ratio is 20:1, and the mass ratio of large and small balls is 1:2 to obtain ball mill powder;

[0032] 3) The ball-milled powder obtained in step 2) was vacuum hot-pressed at a temperature of 600°C and a pressure of 12T for 10 hours to obtain a carbon nanotube-strengthened aluminum alloy billet;

[0033] 4) The billet obtained in step 3) is heated at 520°C, and then hot-extruded under

[0036] Example 3

[0037] 1) Weigh the ingredients needed to prepare carbon nanotube reinforced aluminum alloy materials according to the following weight percentages: carbon nanotubes 5%, magnesium 0.8%, manganese 0.5%, chromium 0.08%, nickel 0.01%, titanium 0.08%, copper 0.01%, other unavoidable impurities ≤0.01%, the balance is aluminum.

[0038] 2) Put the above ingredients into a ball mill, add polyvinyl alcohol for ball milling, add 0.6ml of polyvinyl alcohol per gram of carbon nanotube reinforced aluminum alloy material ingredients, ball milling time 8h, rotating speed 800r / min, ball-to-material mass ratio is 25:1, the mass ratio of big and small balls is 1:3, and the ball mill powder is obtained;

[0039] 3) The ball-milled powder obtained in step 2) was vacuum hot-pressed at a temperature of 610°C and a pressure of 8T for 12 hours to prepare a carbon nanotube-strengthened aluminum alloy billet;

[0040] 4) The billet obtained in step 3) is heated at 550°C, and then hot-extrud