A kind of high-strength aluminum alloy for tank wheel hub and preparation method thereof
An aluminum alloy, high-strength technology, applied in the field of aluminum alloy materials, can solve problems such as low mechanical properties, and achieve the effects of light weight, strong heat dissipation, and high production accuracy
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Embodiment 1
[0028] A high-strength aluminum alloy for tank hubs, consisting of the following elements by weight percentage:
[0029] Si: 0.9%; Fe: 0.005%; Cu: 2.6%; Mn: 0.85%; Mg: 0.85%; Zn: 0.003%; Ti: 0.05%; the balance is Al.
[0030] Its preparation method comprises the following steps:
[0031] (1) First put half of the required amount of aluminum ingots on the bottom of the furnace, then put in the metal copper alloy, then put in the other half of the required amount of aluminum ingots to cover the copper, and start a fire to melt the aluminum ingots; the melting temperature is controlled at 700 °C; melting Time 5 hours; The impurity content of the iron and zinc of described aluminum ingot is controlled in the scope of required consumption;
[0032] (2) Remove slag after the molten aluminum is melted, remove the scum on the surface, heat the temperature of the molten aluminum to 780°C, add the prepared metal silicon alloy and soak for 12 minutes; then stir the molten aluminum for 1...
Embodiment 2
[0045] A high-strength aluminum alloy for tank hubs, consisting of the following elements by weight percentage:
[0046] Si: 1.0%; Fe: 0.1%; Cu: 2.4%; Mn: 0.75%; Mg: 0.75%; Zn: 0.03%; Ti: 0.03%; the balance is Al.
[0047] Its preparation method comprises the following steps:
[0048](1) First put half of the required amount of aluminum ingots on the bottom of the furnace, then put in the metal copper alloy, then put in the other half of the required amount of aluminum ingots to cover the copper, and start a fire to melt the aluminum ingots; the melting temperature is controlled at 730 ° C; melting The time is 4 hours; the impurity content of the iron and zinc of the aluminum ingot is controlled within the scope of the required amount;
[0049] (2) Remove slag after the molten aluminum is melted, remove the scum on the surface, heat the temperature of the molten aluminum to 790°C, add the prepared metal silicon alloy and soak for 11 minutes; then stir the molten aluminum for ...
Embodiment 3
[0062] A high-strength aluminum alloy for tank hubs, consisting of the following elements by weight percentage:
[0063] Si: 1.2%; Fe: 0.1%; Cu: 2.6%; Mn: 0.85%; Mg: 0.85%; Zn: 0.08%; Ti: 0.05%; the balance is Al.
[0064] Its preparation method comprises the following steps:
[0065] (1) First put half of the required amount of aluminum ingots on the bottom of the furnace, then put in the metal copper alloy, then put in the other half of the required amount of aluminum ingots to cover the copper, and start a fire to melt the aluminum ingots; the melting temperature is controlled at 750 °C; melting Time 5 hours; The impurity content of the iron and zinc of described aluminum ingot is controlled in the scope of required consumption;
[0066] (2) Remove slag after the molten aluminum is melted, remove the scum on the surface, heat the temperature of the molten aluminum to 800°C, add the prepared metal silicon alloy and soak for 12 minutes; then stir the molten aluminum for 15 m...
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