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    • 16. 发明公开
    • ETCHING AGENT FOR ALUMINIUM AND ALUMINIUM ALLOYS
    • ÄTZMITTELFÜRALUMINIUM UNIUMLEGIERUNGEN
    • EP2664691A1
    • 2013-11-20
    • EP11851919.8
    • 2011-12-16
    • Henkel AG & Co. KGaA
    • MORI, KazuhikoTAKAKUWA, HidekiYOROZU, Takayuki
    • C23F1/36
    • C23F1/20C23F1/10C23F1/36C23F3/02H01G9/045H01G9/055H01G11/70H01M4/661Y02E60/13
    • A composition of an etching agent for aluminum or aluminum alloy and a treatment method thereof are provided. The etching agent does not contain a component not suitable for a wastewater treatment, such as boron and fluorine, and has stable etching performance even when performing an etching treatment continuously. The etching agent has excellent aging resistance providing good etching uniformity and corrosion resistance after etching. This etching agent is an etching agent for aluminum or aluminum alloy, including 50 parts by mass of an aminocarboxylic acid, 5 to 300 parts by mass of at least one selected from a hydroxycarboxylic acid, a dicarboxylic acid, a polycarboxylic acid, and salts thereof, and 10 to 800 parts by mass of at least one selected from a hydroxide, a carbonate, and a bicarbonate of an alkali metal, wherein an aqueous solution of the etching agent has a pH of 8 to 10.
    • 提供铝或铝合金蚀刻剂的组合物及其处理方法。 蚀刻剂不含不适于废水处理的成分,例如硼和氟,并且即使连续进行蚀刻处理也具有稳定的蚀刻性能。 蚀刻剂具有优异的耐老化性,提供蚀刻后的良好的蚀刻均匀性和耐腐蚀性。 该蚀刻剂是铝或铝合金用蚀刻剂,包括50质量份氨基羧酸,5〜300质量份选自羟基羧酸,二羧酸,多元羧酸及其盐中的至少一种 和10〜800质量份的碱金属的氢氧化物,碳酸盐和碳酸氢盐中的至少一种,其中,蚀刻剂的水溶液的pH为8〜10。
    • 17. 发明公开
    • Procedure of dynamic deep etching and particle extraction from aluminium alloys
    • Verfahren zur dynamischenTiefätzungund Partikelextraktion aus Aluminiumlegierungen
    • EP2458033A1
    • 2012-05-30
    • EP11468004.4
    • 2011-10-04
    • Univerza V Mariboru
    • Boncina TonicaZupanic FrancMarkoli Bostjan
    • C23F1/00C23F1/10G01N1/32
    • C23F1/00C23F1/10G01N1/32
    • The invention is a procedure for dynamic deep etching and particle extraction for aluminium alloys, applicable for quality control of products made of aluminium alloys, and for investigation of aluminium alloys using scanning and transmission electron microscopy, as well as X-ray diffraction. The mode and sequence of individual stages of the procedure enables uniform dissolution of aluminium matrix throughout the entire volume of a specimen by using a solution composed of iodine, tartaric acid and methanol, in which the components have concentrations determined according to specimen dimensions. It is important in this regard that the solution penetrates into the interior of the specimen at specific sites only and that the surface oxide layer remains compact. An ultrasonic device is applied in the procedure, effecting the movement and penetration of the electrolyte into the interior of the specimen, and thus enhancing the dissolution process.
    • 本发明是用于铝合金的动态深蚀刻和粒子提取的程序,适用于铝合金制品的质量控制,以及使用扫描和透射电子显微镜以及X射线衍射的铝合金研究。 该方法的各个阶段的模式和顺序使得铝基质能够通过使用由碘,酒石酸和甲醇组成的溶液在样品的整个体积内均匀溶解,其中组分具有根据样品尺寸确定的浓度。 在这方面重要的是,溶液仅在特定位置渗透到样品的内部,并且表面氧化物层保持紧凑。 在该过程中应用超声波装置,使电解质进入样品内部的运动和穿透,从而增强溶解过程。