C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
117/103, 117/162
C25C 3/12 (2006.01) C23C 26/00 (2006.01) C25C 7/02 (2006.01) C25C 7/06 (2006.01)
Patent
CA 1306147
A CERAMIC/METAL COMPOSITE MATERIAL ABSTRACT A ceramic/metal composite material comprises a surface ceramic coating comprising an oxidised alloy of copper stabilized by being in solid solution with nickel oxide or manganese oxide on a substrate which is an oxidation resistant alloy essentially devoid of copper or any metal which oxidises more readity than copper. The composite is made by oxidising a copper-based alloy on a substrate and simultaneously oxidising the substrate surface to form an oxygen-barrier interface, for example a chromium oxide layer formed on an alloy of chromium with nickel, iron and/or cobalt. The composite may be used as anode substrate for a cerium oxyfluoride coating used in aluminum electrowinning.
576281
Doan Kim Son
Lazouni Abdelkrim
Nguyen Thinh
Gowling Lafleur Henderson Llp
Moltech Invent S.a.
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