Method for preparing semi-solid slurry or billet of near-eutectic aluminum-silicon alloy
A technology of semi-solid slurry and aluminum-silicon alloy, which is applied in the field of preparation of semi-solid slurry or blank of near-eutectic aluminum-silicon alloy, which can solve the problem of narrow solidification range of aluminum-silicon binary eutectic point, semi-solid slurry or blank Preparation difficulties and other issues, to achieve the effect of large market promotion value, good surface quality, and simple process steps
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Embodiment 1
[0032] This embodiment relates to a method for preparing a semi-solid slurry of a near-eutectic aluminum-silicon alloy; the method includes the following steps:
[0033] Step 1. Preheat the Japanese brand ADC12 aluminum-silicon alloy produced by Runhui Metal Materials Co., Ltd., whose liquidus temperature is 570-580°C, at a temperature of 100-200°C for 1 hour;
[0034] Step 2, take the aluminum-silicon alloy and add it to the crucible resistance furnace, after the ADC12 aluminum-silicon alloy is melted, let it stand still to obtain the alloy liquid;
[0035] Step 3, take Hongguang HGJ-1 refining agent for refining, add it to the alloy liquid, stir and remove the slag, let it stand for 5-10 minutes, and adjust the temperature of the alloy liquid so that the temperature is 20°C to 50°C higher than the alloy liquidus temperature ℃;
[0036] Step 4. Preheat the mechanical roller coated with casting aluminum alloy coating of Weifang Huashi Casting Materials Co., Ltd. at 250-300°C....
Embodiment 2
[0038] This embodiment relates to a method for preparing a semi-solid slurry of a near-eutectic aluminum-silicon alloy; the method includes the following steps:
[0039] Step 1. Preheat the Japanese brand ADC12 aluminum-silicon alloy produced by Runhui Metal Materials Co., Ltd., whose liquidus temperature is 570-580°C, at a temperature of 100-200°C for 1 hour;
[0040] Step 2, take the aluminum-silicon alloy and add it to the crucible resistance furnace, after the ADC12 aluminum-silicon alloy is melted, let it stand still to obtain the alloy liquid;
[0041] Step 3, take Hongguang HGJ-1 refining agent for refining, add it to the alloy liquid, stir and remove slag, let stand for 5-10 minutes,
[0042] Adjust the temperature of the alloy liquid to 620°C;
[0043] Step 4, preheat the mechanical roller coated with the casting aluminum alloy coating of Weifang Huashi Casting Materials Co., Ltd. at 250-300°C; the aluminum alloy casting coating used in this example belongs to the co...
Embodiment 3
[0045] This embodiment relates to a method for preparing a semi-solid blank of a near-eutectic aluminum-silicon alloy; the method includes the following steps:
[0046]Step 1. Preheat the Japanese brand ADC12 aluminum-silicon alloy produced by Runhui Metal Materials Co., Ltd., whose liquidus temperature is 570-580°C, at a temperature of 100-200°C for 1 hour;
[0047] Step 2, take the aluminum-silicon alloy and add it to the crucible resistance furnace, after the ADC12 aluminum-silicon alloy is melted, let it stand still to obtain the alloy liquid;
[0048] Step 3, take Hongguang HGJ-1 refining agent for refining, add it to the alloy liquid, stir and remove slag, let it stand for 5-10 minutes, and adjust the temperature of the alloy liquid to 620°C;
[0049] Step 4, preheat the mechanical roller coated with casting aluminum alloy coating of Weifang Huashi Casting Materials Co., Ltd. at 250-300°C; the aluminum alloy casting coating used in this example belongs to the common know...
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