Sulphuration method of ferrous alloy parts in an aqueous...

Details Sulphuration method of ferrous alloy parts in an aqueous... Sulphuration method of ferrous alloy parts in an aqueous...

C - Chemistry, Metallurgy

25

D

C25D 9/06 (2006.01)

Patent

CA 2670495

The invention relates to a superficial treatment method by electrolysis of ferrous surfaces to enhance friction or tread and seizing resistance features, wherein said surfaces provide the electrolysis anode, the electrolysis bath comprises a sulphur species, primarily contains water and also contains a chloride salt and a nitrogen species in quantities which facilitates the sulphuration reaction of said surfaces.<0}

Procédé de traitement superficiel par électrolyse de surfaces ferreuses pour améliorer leurs qualités de frottement ou de résistance à l'usure et au grippage, au cours duquel lesdites surfaces forment l'anode de l'électrolyse, le bain de l'électrolyse contient une espèce soufrée, contient majoritairement de l'eau et contient en outre un sel chloré et une espèce azotée dans des quantités propres à faciliter la réaction de sulfuration desdites surfaces.

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