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US 2015/0211382 A1Published application
Abradable coating made of a material having a low surface roughness
AssigneeSnecma
InventorsMichael Podgorski, Philippe Charles, Alain Le Biez, Ludovic Edmond, Camille Molliex, Serge Selezneff
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Abstract
The present invention relates to an abradable coating for a turbine engine part, characterized by the fact that said coating includes a layer made of an abradable material, the surface asperities of which are filled with thermally bonded ceramic grains, forming a smooth, free surface having a low roughness
Claims16
An abradable coating, comprising a layer of abradable material,
- wherein:
- surface irregularities of the layer are filled in by thermally bound ceramic grains;
- and
- a free surface of the layer of the abradable material has a low roughness.
1 more element
Dependencies are inferred from the claim text.