Preparation method of aluminum-phosphorus alloy for hypereutectic aluminum-silicon modification
An aluminum-phosphorus alloy and hypereutectic technology, which is applied in the field of preparation of aluminum-phosphorus alloys for hypereutectic aluminum-silicon modification, can solve the problem of no preparation method and the like, and achieve the effects of good refining effect, simple operation and easy realization.
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Embodiment 1
[0020] (1) Melt 198.5g of industrial pure aluminum and adjust the temperature of molten aluminum to 1400°C;
[0021] (2) Wrap 12g of aluminum phosphide particles with 1.5g of aluminum foil and press them into molten aluminum. 3.03% of mass;
[0022] (3) After the aluminum phosphide is dissolved in the molten aluminum, keep it warm for 2 minutes, and pour the aluminum-phosphorus alloy liquid into the metal tank made of steel plate.
[0023] According to the above operations, an aluminum-phosphorus alloy with a phosphorus content of 3.03% can be obtained.
Embodiment 2
[0025] (1) Melt 198g of industrial pure aluminum and adjust the temperature of the molten aluminum to 1800°C;
[0026] (2) 24g of aluminum phosphide particles are wrapped together with 2g of aluminum foil, pressed into molten aluminum with a quartz tube, and the content of phosphorus accounts for 5.73% of the total mass of the molten aluminum;
[0027] (3) After the aluminum phosphide is dissolved in the molten aluminum, keep it warm for 6 minutes, and pour the aluminum-phosphorus alloy liquid into the metal tank made of steel plate.
[0028] According to the above operations, an aluminum-phosphorus alloy with a phosphorus content of 5.73% can be obtained.
Embodiment 3
[0030] (1) Melt 200g of industrial pure aluminum and adjust the temperature of the molten aluminum to 1400°C;
[0031] (2) 4g of aluminum phosphide particles to be added are wrapped together with aluminum foil, and pressed into molten aluminum with a quartz tube, and the content of phosphorus accounts for 1.05% of the total mass of the molten aluminum;
[0032] (3) After the aluminum phosphide is dissolved in the molten aluminum, keep it warm for 2 minutes, and pour the aluminum-phosphorus alloy liquid into the metal tank made of steel plate.
[0033] According to the above operations, an aluminum-phosphorus alloy with a phosphorus content of 1.05% can be obtained.
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