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    • 121. 发明申请
    • METHOD FOR PRODUCING ALUMINUM-ZIRCONIUM-CARBON INTERMEDIATE ALLOY
    • 用于生产铝 - 碳 - 碳中间合金的方法
    • US20110308758A1
    • 2011-12-22
    • US13141496
    • 2011-04-23
    • Xuemin ChenQingdong YeYueming YuJianguo Li
    • Xuemin ChenQingdong YeYueming YuJianguo Li
    • B22D11/12B22D11/10
    • C22C21/00B22D11/003C22C1/026
    • The present invention discloses a method for producing an aluminum-zirconium-carbon (Al—Zr—C) intermediate alloy; the Al—Zr—C intermediate alloy has a chemical composition of 0.01% to 10% Zr, 0.01% to 0.3% C, and Al in balance; the producing method comprising the steps of: producing commercially pure aluminum, zirconium metal, and graphite material according to the weight percentages of the aluminum-zirconium-carbon intermediate alloy; the graphite is graphite powder having an average particle size of 0.074 mm to 1 mm; and the graphite powder is subjected to the following treatments: being added to the aqueous solution of KF, NaF, K2ZrF6, K2TiF6 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 and the treated graphite powder are added and melted to provide an alloy solution; and keeping the alloys solution at 700° C. to 900° C. under mechanical or electromagnetic agitation and performing casting molding. The present method produces a high-quality Al—Zr—C intermediate alloy in low cost.
    • 本发明公开了一种铝 - 锆 - 碳(Al-Zr-C)中间合金的制造方法, Al-Zr-C中间合金的化学组​​成为:Ti:0.01〜10%,Al:0.01〜0.3%,Al: 该制造方法包括以下步骤:根据铝 - 锆 - 碳中间合金的重量百分数生产商业上纯的铝,锆金属和石墨材料; 石墨是平均粒径为0.074mm〜1mm的石墨粉末; 对石墨粉进行以下处理:加入到KF,NaF,K2ZrF6,K2TiF6或其组合的水溶液中,浸泡12〜72小时,过滤或离心,并在80℃下干燥至200 摄氏12至24小时; 熔化商业纯铝并将其保持在700℃至900℃,以提供铝液体,其中将制备的锆和经处理的石墨粉末加入并熔融以提供合金溶液; 并在机械或电磁搅拌下将合金溶液保持在700℃至900℃,并进行铸塑。 本方法以低成本生产出优质的Al-Zr-C中间合金。