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    • 3. 发明申请
    • EXTERNAL COUNTER ELECTRODE AND METHOD FOR CHEMICAL MILLING AND CLEANING METAL
    • WO2003027359A3
    • 2003-04-03
    • PCT/US2002/028825
    • 2002-09-11
    • AEROMET TECHNOLOGIES, INC.FAIRBOURN, David, C.SORENSON, Max, E.
    • FAIRBOURN, David, C.SORENSON, Max, E.
    • C25F1/04
    • A system and process for chemical milling or cleaning a surface portion (103) and/or surface deposit (12, 52, 220) from metal products (14, 54, 100, 202), such as chemically milling a metal member (14, 54, 100, 202) to remove surface defects and/or cleaning non-metallic deposits from a metal surface (13, 53, 102, 210) and a system and process for cleaning a hollow interior or a passageway (206) of a metal member (202), the system and method including associating the metal product (14, 54, 100, 202) with an electrolyte (18, 58, 120, 230), such as a diluted acid mixture. A counter electrode (26, 66, 88, 125, 240) having a higher potential than the metal of the metal product (14, 54, 100, 202) is also associated with the electrolyte (18, 58, 120, 230). The counter electrode (26, 66, 88, 125, 240) is dc coupled to the metal product (14, 54, 100, 202), such that electric current flows from the metal to the counter electrode (26, 66, 88, 125, 240) due to the difference in the natural potentials of the metal and the counter electrode (26, 66, 88, 125, 240). The surface portion (103) and/or surface deposit (12, 52, 220) is thereby cleaned or milled from the metal product (14, 54, 100, 202). In an embodiment of a counter electrode (88, 240) particularly useful for cleaning and/or milling internal passageways (206) of metal members (202), an external container (90, 242) is provided having the counter electrode material (92, 250) therein, with the counter electrode material (92, 250) being dc coupled to the metal member (202), and electrolyte (18, 58, 120, 230) passing through the container to contact the counter electrode material (92, 250) and fluidicly coupled into the passageway (206) of the metal member (202) to clean same.
    • 4. 发明申请
    • EXTERNAL COUNTER ELECTRODE AND METHOD FOR CHEMICAL MILLING AND CLEANING METAL
    • 外部计数器电极和化学冶金和清洁金属的方法
    • WO2003027359A2
    • 2003-04-03
    • PCT/US2002/028825
    • 2002-09-11
    • AEROMET TECHNOLOGIES, INC.FAIRBOURN, David, C.SORENSON, Max, E.
    • FAIRBOURN, David, C.SORENSON, Max, E.
    • C25F1/00
    • C23G1/08C23F1/04C23G1/02C23G3/00C25F1/04
    • A system and process for chemical milling or cleaning a surface portion (103) and/or surface deposit (12, 52, 220) from metal products (14, 54, 100, 202), such as chemically milling a metal member (14, 54, 100, 202) to remove surface defects and/or cleaning non-metallic deposits from a metal surface (13, 53, 102, 210) and a system and process for cleaning a hollow interior or a passageway (206) of a metal member (202), the system and method including associating the metal product (14, 54, 100, 202) with an electrolyte (18, 58, 120, 230), such as a diluted acid mixture. A counter electrode (26, 66, 88, 125, 240) having a higher potential than the metal of the metal product (14, 54, 100, 202) is also associated with the electrolyte (18, 58, 120, 230). The counter electrode (26, 66, 88, 125, 240) is dc coupled to the metal product (14, 54, 100, 202), such that electric current flows from the metal to the counter electrode (26, 66, 88, 125, 240) due to the difference in the natural potentials of the metal and the counter electrode (26, 66, 88, 125, 240). The surface portion (103) and/or surface deposit (12, 52, 220) is thereby cleaned or milled from the metal product (14, 54, 100, 202). In an embodiment of a counter electrode (88, 240) particularly useful for cleaning and/or milling internal passageways (206) of metal members (202), an external container (90, 242) is provided having the counter electrode material (92, 250) therein, with the counter electrode material (92, 250) being dc coupled to the metal member (202), and electrolyte (18, 58, 120, 230) passing through the container to contact the counter electrode material (92, 250) and fluidicly coupled into the passageway (206) of the metal member (202) to clean same.
    • 用于从金属制品(14,54,100,202)化学研磨或清洁表面部分(103)和/或表面沉积物(12,52,220)的系统和方法,例如化学研磨金属构件(14, 以清除金属表面(13,53,102,210)的表面缺陷和/或清洁非金属沉积物,以及用于清洁金属的中空内部或通道(206)的系统和方法 所述系统和方法包括将所述金属产品(14,54,100,202)与诸如稀酸混合物的电解质(18,58,120,230)相关联。 具有比金属产品(14,54,100,202)的金属更高的电位的对电极(26,66,88,125,240)也与电解质(18,58,120,230)相关联。 对电极(26,66,88,125,240)直流耦合到金属产品(14,54,100,202),使得电流从金属流到对电极(26,66,88, 由于金属和对电极(26,66,88,125,240)的自然电位的差异,所以这些电极的位置不同。 因此,表面部分(103)和/或表面沉积物(12,52,220)从金属产品(14,54,100,202)中清洁或研磨。 在金属构件(202)的内部通道(206)的特别有用的对电极(88,240)的一个实施例中,提供外部容器(90,242),其具有对电极材料 其中反电极材料(92,250)直流耦合到金属构件(202),以及电解质(18,58,120,230),其通过容器以接触对电极材料(92,250) )并流体耦合到金属构件(202)的通道(206)中以将其清洁。