Thin ceramic coatings

Details Thin ceramic coatings Thin ceramic coatings

C - Chemistry, Metallurgy

23

D

C23D 5/00 (2006.01) C04B 41/45 (2006.01) C04B 41/81 (2006.01) C04B 41/87 (2006.01) C23C 26/00 (2006.01)

Patent

CA 2297920

The invention relates to a method for applying a non-permeable, ceramic layer of a thickness of not more than about 100 µm to a ceramic or metallic body by applying a solution of one or more elastomers, which elastomers contain substantially not exclusively sulfur, carbon, hydrogen and oxygen, optionally drying, and pyrolyzing to form a porous layer and subsequently sintering at increased temperature to form a non-permeable ceramic layer.

L'invention concerne un procédé d'application d'une couche céramique imperméable d'une épaisseur d'au plus environ 100 µm, sur un corps céramique ou métallique. Ledit procédé consiste à appliquer une solution d'un ou plusieurs élastomères contenant entre autres, du soufre, du carbone, de l'hydrogène et de l'oxygène, éventuellement à la sécher et à la pyroliser de sorte qu'une couche poreuse soit formée, puis à la fritter à une température plus élevée de sorte qu'une couche céramique imperméable soit formée.

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