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US 2006/0051608 A1Published application
Layer system
AssigneeSiemens Aktiengesellschaft
InventorsKnut Halberstadt, Werner Stamm
Life of this patent
Estimating the term…
Abstract
In layer systems according to prior art, the adhesion between the layers or between the layers and the substrate is often poor. In the inventive layer system, the surface of the interface between the layers is enlarged such that the connection and adhesion are improved.
Claims20
1-12. (canceled)
A layer system, comprising:
- a substrate;
- an intermediate layer having a composition MCrAlY where M is an element selected from the group consisting of iron, cobalt, and nickel;
- and
- an outer layer having particles of a coarse grain size,
- wherein the particles of the coarse grain size have grain diameters greater than 80 micrometers and the particles have a composition McrAlY and the particles are present on the intermediate layer and the outer layer has been applied to the particles.
2 more elements
A layer system for a gas turbine component, comprising:
- a substrate;
- an intermediate layer having a composition MCrAlY where M is an element selected from the group consisting of iron, cobalt, and nickel;
- and
- an outer layer having particles of a coarse grain size,
- an outer layer having particles of a coarse grain size,
- wherein the particles of the coarse grain size have grain diameters greater than 80 micrometers and the particles have a composition McrAlY and the particles are present on the intermediate layer and the outer layer has been applied to the particles.
3 more elements
Dependencies are inferred from the claim text.