C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 4/10 (2006.01) C23C 4/02 (2006.01) C23C 28/04 (2006.01) H01B 3/12 (2006.01)
Patent
CA 2314528
Al2O3 based layers having a total thickness of more than 0.3 mm are produced on a substrate by plasma jet spraying, said Al2O3 based layers having a laminar sandwiched structure wherein at least one Al2O3 layer is interpolated between two intermediate layers which are produced by plasma jet spraying as well, said intermediate layers consisting of a ceramic laminated material which is different from Al2O3 and which on cooling increases in volume by phase transition. Preferred materials for said intermediate layers are Al2O3/ZrO2, Al2O3/TiO2, ZrO2/Y2O3, Y2O3/ZrO2, ZrO2/MgO, ZrO2/CeO2 and ZrO2/CaO alloy systems.
Barbezat Gerard
Zimmermann Stefan
Barrigar Intellectual Property Law
Sulzer Metco Ag
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