Aluminum-silicon alloy refining agent and preparation thereof
An aluminum-silicon alloy and refining agent technology is applied in the research and development field of aluminum-silicon alloy refining agent, and achieves the effects of simple method, improved casting quality, and reduced content of oxidized inclusions
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Embodiment 1
[0010] Potassium chloride 20%, sodium chloride 20%, zinc chloride 6%, sodium fluoroaluminate 6%, sodium fluorosilicate 6%, sodium nitrate 15%, graphite powder 1%, hexachloroethane 10%, Sodium fluoroborate 7%, Potassium fluorotitanate 7%. The above materials are mixed, stirred evenly, and then the mixture is crushed with a jaw crusher. The particle size of the crushed material is 90 mesh. Then 2% charcoal was pulverized to 15 mesh. Then mix the wood charcoal powder with the mix. Continue to stir to combine well. Press the mixed mixture into blocks on a hydraulic press, with a block weight of 0.25 kg and a density of 180 kg / m 3 . Then the mixture block was baked at a temperature of 220° C. for 8 hours, and then put into a dry container for sealing. That is, it is made into refining agent.
Embodiment 2
[0012] Potassium chloride 22%, sodium chloride 22%, zinc chloride 5%, sodium fluoroaluminate 5%, sodium fluorosilicate 5%, sodium nitrate 15%, graphite powder 2%, hexachloroethane 11%, Sodium fluoroborate 4%, Potassium fluorotitanate 4%. The above materials are mixed, stirred evenly, and then pulverized by a jaw crusher. The particle size of the crushed material is 80 mesh. Then 5% charcoal was pulverized to 15 mesh. Then mix the wood charcoal powder with the mix. Continue to stir to combine well. Press the mixed mixture into blocks on a hydraulic press, with a block weight of 0.25 kg and a density of 180 kg / m 3 . Then the mixture block was baked at 240° C. for 7 hours, and then put into a dry container for sealing. That is, it is made into refining agent.
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Abstract
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