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    • 3. 发明公开
    • QUENCHPASSIVIERUNG VON ALUMINIUMDRUCKGUSSTEILEN
    • EP2326736A1
    • 2011-06-01
    • EP09781449.5
    • 2009-08-04
    • Henkel AG & Co. KGaA
    • JÜPTNER, UlrichKOHLER, Stefan
    • C21D1/60C22F1/04C23C22/34C23C22/66C23C22/83C23F11/167
    • C22F1/04C21D1/60C23C22/34C23C22/56C23C22/66C23F11/1676
    • The present invention relates to a method for passivating cast parts made of aluminum and/or alloys of aluminum, wherein the cast part solidified after liquid casting is transferred into a quenching bath having a passivating aqueous composition. The present invention further relates to a method for the anti-corrosion treatment of cast parts made of aluminum and/or alloys of aluminum, wherein the solidified cast part removed from the mold part and having a temperature of more than 300°C is brought into contact with a passivating aqueous composition to quench the cast part, whereupon after machining of the cast part and a subsequent cleaning and degreasing step, a passivating treatment occurs before the cast part is optionally coated with an organic topcoat. The present invention further relates to a cast part made of aluminum and/or alloys of aluminum, said cast part having been subjected to a method according to the invention for passivating and or for anti-corrosion treatment, and the use of such a cast part in a method for applying additional anti-corrosion coatings and/or decorative coating applications.
    • 本发明涉及一种用于钝化由铝和/或铝合金制成的铸件的方法,其中在液铸之后固化的铸件被转移到具有钝化含水组合物的淬火槽中。 本发明还涉及一种用于对由铝和/或铝合金制成的铸件进行防腐蚀处理的方法,其中从模件去除并且温度高于300℃的凝固铸件被引入 与钝化水性组合物接触以淬火铸件,随后在铸件的机械加工和随后的清洁和脱脂步骤之后,在铸件必要时涂覆有机顶涂层之前进行钝化处理。 本发明进一步涉及一种由铝和/或铝合金制成的铸件,所述铸件经受了根据本发明的用于钝化和/或用于防腐处理的方法,并且使用这种铸件 在用于施加另外的防腐蚀涂层和/或装饰涂层应用的方法中。