Method for preparing semi-solid aluminum alloy slurry at high efficiency and low cost
A semi-solid, low-cost technology, applied in the field of related materials, can solve the problems of preparation efficiency and preparation cost limitations, inability to apply large-scale production, limited grain refiners, etc., to inhibit the growth of dendrites and realize online preparation , The effect of improving the production efficiency
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[0034] Example 1:
[0035] A method for preparing semi-solid aluminum alloy slurry with high efficiency and low cost includes the following steps:
[0036] 1) Preparation of low-superheat melt, using various heating methods in the prior art to heat aluminum alloy ingots to prepare low-superheat melt; the temperature is maintained at 36~42℃ above the liquidus, and the chemical composition is uniform and constant. Low-superheated melt with little or no segregation;
[0037] 2) Insulate the prepared low-superheated melt, transfer the low-superheated melt prepared in step 1) to a low-temperature resistance furnace, and keep it warm to make the melt temperature uniform;
[0038] 3) The semi-solid slurry is prepared by the two-way electromagnetic stirring method. The low-superheated melt in the step 2) low-temperature resistance furnace is poured into the stirring crucible, and the stirring crucible is placed in the inner cavity of the electromagnetic stirrer, and the two-way electromagneti...
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