Alloy coating apparatus and metalliding method

C - Chemistry – Metallurgy – 25 – D

Patent

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Details

C25D 3/56 (2006.01) C25D 17/00 (2006.01) C25D 17/10 (2006.01) C25D 21/02 (2006.01)

Patent

CA 2733946

A material (20) is coated to enhance and add desirable properties through a metalliding process employing an atmosphere (14) substantially free of oxygen and an electrolytic bath (18) within the atmosphere (14). An electrically conductive substrate (20) to be coated is submerged within the bath (18) as a cathode (20) along with multiple anodes (26), each anode (26a, 26b, 26c) having a distinctive composition from the other. A variable power source (30) provides distinctly selected current densities to each of the anodes (26) so as to result in a coating of the substrate (20) by each anode material (26a, 26b, 26c) in proportion to the applied current densities.

Un matériau (20) reçoit un revêtement pour améliorer et ajouter des propriétés requises à laide dun procédé de métalluration. Ledit procédé utilise une atmosphère (14), sensiblement dépourvue doxygène, et un bain électrolytique (18) dans ladite atmosphère (14). Un substrat électroconducteur (20), devant être revêtu, est immergé dans le bain (18), en tant que cathode (20), avec de multiples anodes (26), chaque anode (26a, 26b, 26c) présentant une composition différente de celle des autres. Une source de courant variable (30) fournit des densités de courant, sélectionnées séparément, à chacune de ces anodes (26), afin dassurer un revêtement du substrat (20) par chaque matériau danode (26a, 26b, 26c) proportionnellement aux densités de courant appliquées.

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