Methods of producing carbon layers on titanium metal

Details Methods of producing carbon layers on titanium metal Methods of producing carbon layers on titanium metal

C - Chemistry, Metallurgy

23

C

C23C 16/26 (2006.01) C23C 16/56 (2006.01)

Patent

CA 2542085

A method of fabricating a cathode, comprising depositing a carbon material on a portion of a titanium substrate; heating the deposited material and the titanium substrate at between about 600 degrees to about 1,000 degrees Celsius at a reduced pressure and/or under a chemically inert cover gas to form a titanium carbide layer at interface of the titanium and the carbon material; and activating the deposited carbon material by heating in an oxygen- containing atmosphere for between about 0.1 hour to about four hours at temperatures between 200 degrees and 500 degrees.

L'invention concerne un procédé de fabrication d'une cathode, consistant à déposer un matériau de carbone sur une partie de substrat de titane, à chauffer le matériau déposé et le substrat de titane entre 600 et 1,000 degrés Celsius environ sous une pression réduite et/ou sous un gaz de couverture chimiquement inerte pour former une couche de carbure de titane à l'interface titane/carbone, et à activer le matériau de carbone déposé en le chauffant dans une atmosphère contenant de l'oxygène entre 01 et 4 heures environ à une température comprise entre 200 et 500 ·C.

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