Method of forming ferrite coatings

Details Method of forming ferrite coatings Method of forming ferrite coatings

H - Electricity

01

F

117/233, 117/24.

H01F 10/20 (2006.01) H01F 1/11 (2006.01) H01F 41/24 (2006.01)

Patent

CA 2012996

There is disclosed a method for forming a ferrite coatings on a substrate, which comprises: (a) bringing a substrate into contact with water or an aqueous solution, and (b) adding a ferrous ion solution, an oxidizer solution and a pH controller so that pH and an oxidation-reduction potential may be included within the range specified by A (6, -440 mV), B (6, -130 mV), C (11, -430 mV) and D (11, -740 mV) in a pH - oxidation-reduction potential graph.

Cette invention concerne une méthode de formation d'un revêtement ferritique sur un substrat, méthode qui comprend les étapes suivantes : (a) immersion du substrat dans avec l'eau ou une solution aqueuse et (b) ajout d'une solution d'ions ferreux, d'une solution oxydante et d'un régulateur de pH pour que le potentiel d'oxydoréduction se trouve à l'intérieur d'une plage délimitée par A (6, -440 mV), B (6, -130 mV), C (11, -430 mV) et D (11, -740 mV) sur un diagramme pH-potentiel d'oxydoréduction.

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