High-strength aluminum alloy material formed through metamorphism of salt hexafluorosilicate
An aluminum alloy material, sodium hexafluorosilicate technology, applied in the field of high-strength aluminum alloys, can solve problems such as insufficient strength of aluminum alloys, achieve the effect of reducing hydrogen content and good stirring effect
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Embodiment 1
[0021] A high-strength aluminum alloy material modified by hexafluorosilicate of the present invention: the composition of the alloy is Cu: 26kg, Mn: 4.5kg, Mg: 20kg, sodium hexafluorosilicate (30 mesh): 10kg, Al: 939.5kg, the content of impurity elements: single ≤ 0.05%, total ≤ 0.10%, Si and Fe are impurities brought by the raw material Al, the content is controlled at Si: ≤ 0.3%, Fe: ≤ 0.3%.
[0022] The conventional process used is:
[0023] 1. First add aluminum ingots or molten aluminum into the melting furnace, heat it to melt it completely and keep it warm at 700-750°C; the melting process is completed in a closed environment;
[0024] 2. Then add the alloying elements selected in step 1 according to the proportion of the formula to completely dissolve and melt them, and stir the mixed melt evenly;
[0025] 3. Then refine the above alloy melt in the furnace; add refining agent to the alloy melt, and stir evenly, and the melt refining is operated in a closed environmen...
Embodiment 2
[0029] A high-strength aluminum alloy material modified by hexafluorosilicate of the present invention: the alloy composition is Cu: 32kg, Mn: 7kg, Mg: 24kg, Zn: 1kg, Ti: 1.5kg, hexafluorosilicate Potassium (10 mesh): 1kg, Al: 933.5kg, of which the content of impurity elements is: single ≤ 0.05%, total ≤ 0.10%, Si and Fe are impurities brought by the raw material Al, and the content is controlled at Si: ≤ 0.3%, Fe:≤0.3%. The conventional technique adopted in the remaining steps is the same as above.
Embodiment 3
[0031] A high-strength aluminum alloy material modified by hexafluorosilicate of the present invention: the alloy composition is Cu: 29kg, Mn: 6kg, Mg: 22kg, Zn: 0.5kg, Ti: 0.75kg, silicon hexafluoride Potassium hexafluorosilicate and sodium hexafluorosilicate (20 meshes): 2.5kg each, Al: 936.75kg, of which the content of impurity elements: single ≤ 0.05%, total ≤ 0.10%, Si and Fe are impurities brought by the raw material Al , the content is controlled at Si: ≤ 0.3%, Fe: ≤ 0.3%. The conventional technique adopted in the remaining steps is the same as above.
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