摘要:
Herein is described an apparatus, for carrying out a method of plating articles, the apparatus comprising: a container for holding a plating solution, a receptacle for holding a plurality of articles within the plating solution, and, a means for agitating the plating solution before and/or during the plating wherein the receptacle for holding a plurality of articles within the plating solution is configured to move during the plating process, wherein the means for agitating the plating solution before and/or during the plating, is: (i) located in an agitation unit, that is separate from the container for holding the plating solution in which the articles are plated, and the apparatus is adapted to circulate the plating solution from the container for holding the plating solution in which the articles are plated to the agitation unit, in which the plating solution is agitated by subjecting the plating solution to high shear, before and/or during plating of the articles, and then return the plating solution to the container for holding the plating solution in which the articles are plated; and/or (ii) a means for subjecting the plating solution to an ultrasound treatment. A method for plating articles is also described.
摘要:
A method of producing a surface-treated steel sheet is provided. The surface-treated steel sheet includes a layer that contains a metal oxide. The method is characterized by including: dipping a steel sheet for 0.1 to 10 seconds in a treatment liquid that contains at least fluoride ions and has a pH of 2 to 5; and electrically treating by flowing a direct current between the steel sheet and an electrode in a treatment liquid to form a layer that contains a metal oxide on a surface of the steel sheet. According to the present invention, there can be provided a method of producing a surface-treated steel sheet which can enhance the interfacial adhesion with an organic resin layer when the organic resin layer is formed on the metal oxide layer.
摘要:
Die Erfindung betrifft ein Verfahren zur galvanischen Beschichtung komplexer Bauteile, wobei das Bauteil im Rahmen einer Elektrolyse mittels eines Elektrolyten mit wenigstens einer Schicht eines Metalls oder einer Legierung beschichtet wird, dadurch gekennzeichnet, dass während der Elektrolyse wenigstens zeitweise eine Relativbewegung zwischen dem zu beschichtenden Bauteil und dem Elektrolyten erzeugt wird.
摘要:
[Object] When rare earth magnets are plated, components of the rare earth magnets are dissolved in the plating solution, causing plating defects. Thus, an easy method for removing rare earth impurities has been necessary. [Means for Solution] A nickel-electroplating solution containing rare earth impurities is kept at 60°C or higher for a predetermined period of time to precipitate rare earth impurities for separation by sedimentation or filtration. Rare earth impurities can be precipitated further efficiently by adding precipitate to the nickel-electroplating solution, or by concentrating the nickel-electroplating solution by heating.