Aluminum-silicon alloy alterative and manufacturing method thereof
A technology of aluminum-silicon alloy and modifier, applied in the field of aluminum-silicon alloy modifier and its preparation, can solve the problems of increased aluminum consumption, easy segregation, large amount of reaction slag, etc., and achieves precise control of addition amount, simple modification process, and phosphorus absorption. rate stabilization effect
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[0022] Example 1
[0023] (1) The mass percentage composition of the modifier is phosphorus: 2%, titanium: 3%, carbon: 0.15%, and the balance is aluminum. (2) Weigh 20% red scale and 80% aluminum powder with a mass percentage ratio of 20%, mix them uniformly, and press the block under 1kN pressure. (3) Put the compact into a self-made vacuum self-propagating reactor, and use iron-chromium-aluminum resistance wire as the ignition coil. The reaction was completed 200s after ignition. (4) After crushing the aluminum-phosphorus alloy prepared in step 3 in a jaw crusher, it is placed in a common ball mill for ball milling for 0.5-1 hour. Take the powder under the 100-mesh sieve and press again under 1kN pressure. (5) According to the mass percentage of the modifier, titanium: 3%, carbon: 0.15%, weigh the activated carbon and potassium fluorotitanate powder, mix them uniformly, and press them under a pressure of 1kN. (6) Weigh industrial pure aluminum, heat it to melt, add activated car...
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