Aluminum alloy refiner and aluminum alloy produced with the refiner
A technology of aluminum alloy and refiner, which is applied in the field of special aluminum alloy, can solve the problems of difficult attenuation resistance, loss of refined grains, and low refinement ability, so as to improve subsequent processing performance, uniform distribution, and reduce Effect of small interface energy and mismatch degree
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Embodiment 1
[0037] Example 1: Alloy B-1 in the table was prepared. First, high-purity aluminum is added to the graphite clay crucible, and melted in a resistance crucible furnace at a melting temperature of 780°C. After the high-purity aluminum is melted, Al-Cu, Al-Cr, Al-Zr, and Al-Nb intermediate alloys are added to reduce the temperature. to 760°C, add industrial pure Zn, melt and stir well, then add industrial pure Mg, remove surface slag, add 0.2% to 0.4% hexachloroethane (C 2 Cl 6 ) Refining agent deslagging and degassing, let it stand for 10 to 15 minutes, pour it into the iron mold, and demould after cooling. The as-cast metallographic microstructure diagram of the obtained aluminum alloy is shown in the attached Figure 11 .
Embodiment 2
[0038] Example 2: Prepare the alloy B-2 in the table. Add high-purity aluminum to the graphite clay crucible and melt it in a resistance crucible furnace at a melting temperature of 780°C. After the high-purity aluminum is melted, add Al-Cu, Al-Cr, Al-Zr, Al-Nb intermediate alloys, down to 760°C, add industrial pure Zn, melt and stir well, then add industrial pure Mg, remove surface slag, add 0.2% ~ 0.4% hexachloroethane (C 2 Cl 6 ) Refining agent deslagging and degassing, let it stand for 10 to 15 minutes, pour it into the iron mold, and demould after cooling. The as-cast metallographic microstructure diagram of the obtained aluminum alloy is shown in the attached Figure 12 .
Embodiment 3
[0039] Example 3: Alloy B-3 in the table was prepared. Add high-purity aluminum to the graphite clay crucible and melt it in a resistance crucible furnace at a melting temperature of 780°C. After the high-purity aluminum is melted, add Al-Cu, Al-Cr, Al-Zr, Al-Nb intermediate alloys, down to 760°C, add industrial pure Zn, melt and stir well, then add industrial pure Mg, remove surface slag, add 0.2% ~ 0.4% hexachloroethane (C 2 Cl 6 ) Refining agent deslagging and degassing, let it stand for 10 to 15 minutes, pour it into the iron mold, and demould after cooling. The as-cast metallographic microstructure diagram of the obtained aluminum alloy is shown in the attached Figure 13 .
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