Aluminum-zirconium-phosphorus master alloy and preparation method thereof
A phosphorus master alloy and master alloy technology, applied in the field of aluminum-zirconium-phosphorus master alloy and its preparation, can solve the problem of phosphorus content reduction
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[0013] Example 1
[0014] (1) Weigh the raw materials according to the mass percentage of industrial pure aluminum 9.7%, aluminum-phosphorus intermediate alloy 73.3%, and sponge zirconium 17.0%, wherein the phosphorus content of the aluminum-phosphorus intermediate alloy is 7.5%.
[0015] (2) The industrial pure aluminum is melted to 1100°C-1300°C in the melting furnace, and the aluminum-phosphorus intermediate alloy is first added, and after stirring for 10-20 minutes, the sponge zirconium is added.
[0016] (3) After the reaction is complete and evenly stirred, it is directly poured into an ingot or prepared into a wire.
[0017] An aluminum-zirconium-phosphorus master alloy with the best composition is obtained according to the above-mentioned ratio and process. The mass percentage of the chemical composition is: phosphorus 5.3-5.7, zirconium 16.7-17.3, and the rest is aluminum.
Example Embodiment
[0018] Example 2
[0019] (1) Weigh the raw materials according to the mass percentage of industrial pure aluminum 20.3%, aluminum-phosphorus intermediate alloy 66.7%, and sponge zirconium 13%, wherein the phosphorus content of aluminum-phosphorus intermediate alloy is 6.0%.
[0020] (2) Melt industrial pure aluminum to 1000°C-1200°C in a smelting furnace, first add aluminum-phosphorus intermediate alloy, stir for 10-20 minutes, and then add sponge zirconium.
[0021] (3) After the reaction is complete and evenly stirred, it is directly poured into an ingot or prepared into a wire.
[0022] The aluminum-zirconium-phosphorus master alloy prepared according to the above-mentioned ratio and process has a chemical composition of 3.8-4.1 phosphorus in mass percentage, zirconium 12.7-13.2 and the rest being aluminum.
Example Embodiment
[0023] Example 3
[0024] (1) Weigh the raw materials according to the mass percentages of industrial pure aluminum 36.9%, aluminum-phosphorus intermediate alloy 57.1%, and sponge zirconium 6.0%, wherein the phosphorus content of the aluminum-phosphorus intermediate alloy is 3.5%.
[0025] (2) Melt industrial pure aluminum to 900°C-1100°C in a smelting furnace, first add aluminum-phosphorus intermediate alloy, and after stirring for 10-20 minutes, add sponge zirconium.
[0026] (3) After the reaction is complete and evenly stirred, it is directly poured into an ingot or prepared into a wire.
[0027] The aluminum-zirconium-phosphorus master alloy prepared according to the above-mentioned ratio and process has a chemical composition of 1.8-2.2 for phosphorus and 5.9-6.2 for zirconium, and the rest is aluminum.
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