The present disclosure relates to an electrode for eloxing a component, in particular a component of a vehicle brake system, comprising an electrolyte inlet for feeding an electrolyte into the electrode, an inlet channel, which connects the electrolyte inlet to an electrolyte outlet opening formed in the region of an outer surface of the electrode, an electrolyte inlet opening formed in the region of the outer surface of the electrode at a distance from the electrolyte outlet opening, an electrolyte flow path, which runs between the electrolyte outlet opening and the electrolyte inlet opening along the outer surface of the electrode and is designed to bring a surface portion of the component, which surface portion is to be eloxed, into fluid contact with the electrolyte flowing through the electrolyte flow path, an outlet channel, and an electrolyte outlet.

The present disclosure relates to an electrode for eloxing a component, in particular a component of a vehicle brake system, comprising an electrolyte inlet for feeding an electrolyte into the electrode, an inlet channel, which connects the electrolyte inlet to an electrolyte outlet opening formed in the region of an outer surface of the electrode, an electrolyte inlet opening formed in the region of the outer surface of the electrode at a distance from the electrolyte outlet opening, an electrolyte flow path, which runs between the electrolyte outlet opening and the electrolyte inlet opening along the outer surface of the electrode and is designed to bring a surface portion of the component, which surface portion is to be eloxed, into fluid contact with the electrolyte flowing through the electrolyte flow path, an outlet channel, and an electrolyte outlet.

A method of forming a corrosion-resistant ceramic coating on a metallic substrate, the method comprising providing a passivation layer on a surface of the metallic substrate by electrochemical passivation of the metallic substrate under a first electrical current and using a first electrically conducting solution; and providing the corrosion-resistant ceramic coating on an outermost surface of the metallic substrate, the outermost surface in use adapted to be exposed to a corrosive environment, by plasma electrolytic oxidation of the metallic substrate with the passivation layer, in a second electrically conducting solution and under a second electrical current having a discharge voltage. The first and the second electrically conducting solutions comprise a tetrafluoroborate compound.

A method of forming a corrosion-resistant ceramic coating on a metallic substrate, the method comprising providing a passivation layer on a surface of the metallic substrate by electrochemical passivation of the metallic substrate under a first electrical current and using a first electrically conducting solution; and providing the corrosion-resistant ceramic coating on an outermost surface of the metallic substrate, the outermost surface in use adapted to be exposed to a corrosive environment, by plasma electrolytic oxidation of the metallic substrate with the passivation layer, in a second electrically conducting solution and under a second electrical current having a discharge voltage. The first and the second electrically conducting solutions comprise a tetrafluoroborate compound.

An anode assembly allowing the anode to be easily pulled up from a plating tank is disclosed. The anode assembly includes: an anode structure; and an anode holder. The anode structure includes: an anode; and a feeding member. The anode holder includes: an anode support frame having a space in which the anode structure is arranged; a conductive bar; and a feeding electrode attached to an end of the conductive bar. One end of the feeding member is fixed to the anode, and the other end of the feeding member is detachably fixed to the conductive bar. The anode support frame has a positioning guide portion into which a lower end of the anode structure is inserted. The anode assembly is configured to allow the anode structure to be separated from the anode holder and pulled up from the plating tank when the feeding member is detached from the conductive bar.

A method of forming a corrosion-resistant ceramic coating on a metallic substrate, the method comprising providing a passivation layer on a surface of the metallic substrate by electrochemical passivation of the metallic substrate under a first electrical current and using a first electrically conducting solution; and providing the corrosion-resistant ceramic coating on an outermost surface of the metallic substrate, the outermost surface in use adapted to be exposed to a corrosive environment, by plasma electrolytic oxidation of the metallic substrate with the passivation layer, in a second electrically conducting solution and under a second electrical current having a discharge voltage. The first and the second electrically conducting solutions comprise a tetrafluoroborate compound.

A method of forming a corrosion-resistant ceramic coating on a metallic substrate, the method comprising providing a passivation layer on a surface of the metallic substrate by electrochemical passivation of the metallic substrate under a first electrical current and using a first electrically conducting solution; and providing the corrosion-resistant ceramic coating on an outermost surface of the metallic substrate, the outermost surface in use adapted to be exposed to a corrosive environment, by plasma electrolytic oxidation of the metallic substrate with the passivation layer, in a second electrically conducting solution and under a second electrical current having a discharge voltage. The first and the second electrically conducting solutions comprise a tetrafluoroborate compound.

The invention is a metal coating device in which the sheet metal fed to a coating container for being copper-coated by electrolysis in the coating container comprising a first roll device having a roll in contact with the sheet metal forwarded in the vertical position and having a rotational axis perpendicular thereto, a carrier body bearing the roll and a current transmitted via a current plate electrically connected to a power source, a coal device which includes an electric current carrying coals from the carrier body to the roll and a cooling chamber provided around the region where the current plate is connected to the carrier body and through which a cooling liquid flows.

The invention is a metal coating device in which the sheet metal fed to a coating container for being copper-coated by electrolysis in the coating container comprising a first roll device having a roll in contact with the sheet metal forwarded in the vertical position and having a rotational axis perpendicular thereto, a carrier body bearing the roll and a current transmitted via a current plate electrically connected to a power source, a coal device which includes an electric current carrying coals from the carrier body to the roll and a cooling chamber provided around the region where the current plate is connected to the carrier body and through which a cooling liquid flows.

A method of electro-chemical plating is disclosed. The catholyte is delivered to the cathode chamber. The catholyte is controlled at a first temperature before flowing into the cathode chamber. The anolyte is provided at room temperature. The temperature of the anolyte is lowered from the room temperature to a second temperature before delivering into the anode chamber. The second temperature is equal to or lower than the first temperature. The plating surface of the substrate is immersed in the electrolyte. The substrate is biased to a direct current (DC) voltage. The biased substrate attracts ions of the metal in the electrolyte toward the plating surface so as to electroplating the metal onto the substrate.