C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 14/06 (2006.01) C23C 14/02 (2006.01) C23C 28/04 (2006.01) F01D 5/28 (2006.01)
Patent
CA 2722202
The invention relates to an erosion protection coating (11), in particular, for gas turbine components, having a horizontally segmented and/or multi-layered construction. i.e., having at least one relatively hard layer (12) and having at least one relatively soft layer (13), wherein the relatively hard layer or each relatively hard layer as well as the relatively soft layer or each relatively soft layer are disposed on top of one another in an alternating manner, in such a way that an outer-lying layer, which forms an outer surface of the erosion protection coating, is formed as a relatively hard layer (12). According to the invention, the relatively hard layer or each relatively hard layer (12) as well as the relatively soft layer or each relatively soft layer (13) are formed as a ceramic layer in each case.
La présente invention concerne un revêtement de protection contre l'érosion (11), en particulier pour les composants de turbine à gaz, comprenant une structure segmentée de façon horizontale et/ou multicouche, dotée plus précisément d'au moins une couche relativement dure (12) et d'au moins une couche relativement souple (13), la ou chaque couche relativement dure et la ou chaque couche relativement souple étant alternativement superposées, de telle sorte qu'une couche extérieure, formant une surface extérieure du revêtement de protection contre l'érosion, soit conçue comme une couche relativement dure (12). Selon l'invention, la ou chaque couche relativement dure (12) et la ou chaque couche relativement souple (13) sont conçues respectivement comme une couche céramique.
Eichmann Wolfgang
Heutling Falko
Uihlein Thomas
Millman Ip
Mtu Aero Engines Gmbh
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