| 摘要 |
The present invention discloses a method for producing an aluminum-zirconium-titanium-carbon (Al-Zr-Ti-C) intermediate alloy; the Al-Zr-Ti-C intermediate alloy comprises 0.01% to 10% Zr, 0.01 % to 10% Ti, 0.01% to 0.3% C, and Al in balance; the producing method comprising the steps of: preparing commercially pure aluminum, zirconium, titanium, and graphite material according to the weight percentages of the aluminum-zirconium-titanium-carbon intermediate alloy; the graphite powder is subjected to the following treatments: being added to the aqueous solution of KF, NaF, K 2 ZrF 6 , K 2 TiF 6 or the combination thereof, soaked for 12 to 72 hours, filtrated or centrifuged, and dried at 80°C to 200°C for 12 to 24 hours; melting the commercially pure aluminum and keeping it at 700°C to 900°C to provide aluminum liquid, in which the prepared zirconium, the titanium and the treated graphite powder are added and melted to provide an alloy solution; and keeping the alloy solution at 700°C to 900°C under agitation and performing casting molding. The present method produces a high-quality Al-Zr-Ti-C intermediate alloy in low cost. |
