C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 24/08 (2006.01) C04B 41/50 (2006.01) C04B 41/87 (2006.01) C23F 15/00 (2006.01) F28F 19/02 (2006.01)
Patent
CA 2493601
The invention relates to a method for the production of ceramic coatings on metallic and/or ceramic surfaces, especially pipe walls and the linings of pipe wall in boilers, in order to protect coated surfaces from corrosion and adhesion problems, in addition to relating to coatings which can be produced according to said method. The ceramic coatings are characterised in that the coating contains boron nitride in order to form a low-energy surface, and ceramic nanoparticles as temperature-stable binding agents which, on account of their high specific powder surfaces, act as binders, or alternatively glass- type binder systems based on metal organyl compounds.
L'invention concerne un procédé pour produire des couches céramiques sur des surfaces métalliques et/ou céramiques, notamment sur des parois de tubes et/ou des revêtements de parois de tubes dans des chaudières, dans le but de protéger les surfaces revêtues contre la corrosion et des problèmes d'adhérence. L'invention concerne également les couches obtenues selon un tel procédé. Lesdites couches céramiques se caractérisent en ce qu'elles contiennent d'une part du nitrure de bore, servant à former une surface de faible énergie, et d'autre part des nanoparticules céramiques servant de liant thermostable, qui, en raison de leurs surfaces pulvérulentes spécifiques élevées, agissent comme des liants, ou en variante, des systèmes de liants vitreux à base de composés organométalliques.
Alsan Mesut
Binkle Olaf
Drumm Robert
Endres Klaus
Engler Martin
Cassan Maclean
Esk Ceramics Gmbh & Co. Kg
Itn Nanovation Ag
Itn Nanovation Gmbh
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