Alstom Technology Limited

Oerlikon Surface Solutions Ag, Pfaffikon

Eth Zurich

Empa

Eth Eidgenoessische Technische Hochschule Zuerich

Empa Dubendorf

Valery Shklover

Matthias Lukas Sobiech

Sebastian Stein

Anton Kaiser

Maxim Konter

Hans-Peter Bossmann

Ken Yves Haffner

Gregoire Etienne Witz

Jörg Patscheider

Paul Heinrich Michael Boettger

Joerg Patscheider

Paul Heinrich Böttger

Sharath Bachegowda

Kenneth Franklin Kelton

Tony Kaiser

Walter Steurer

Ivan Victor Vjunitsky

Jörg Patschneider

Paul Heinrich Michael BÖTTGER

A coated product having coating that includes a layer of hard material having a defined multi-ply layer structure, thereby significantly minimizing or preventing heat input into the coated substrate resulting from the effect of thermal hot spots.

Hard material layer for reducing heat input into a coated substrate

A hard material layer system with a multilayer structure, comprising alternating layers A and B, with A layers having the composition MeONin atomic percent and B layers having the composition MeONin atomic percent, where the thermal conductivity of the A layers is greater than the thermal conductivity of the B layers. Meand Meeach comprise at least one metal of the group Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, and Al, pindicates the atomic percentage of Meand pindicates the atomic percentage of Meand the following is true: P=P, nindicates the oxygen concentration in the A layers in atomic percent and nindicates the oxygen concentration in the B layers in atomic percent and the following is true: n&#x3c;n, and mindicates the nitrogen concentration in the A layers in atomic percent and mindicates the nitrogen concentration in the B layers in atomic percent and the following is true: p/(n+m)=p/(n+m).

Hard material layers with selected thermal conductivity

Components () have a thermal barrier coating (-) on the surface thereof, wherein the thermal barrier coating includes at least one layer () having chemically stabilized zirconia, and wherein at least indirectly adjacent to the layer () with chemically stabilized zirconia and on its surface facing side, there is provided a protective layer () and/or a infiltration zone () which does not react with environmental contaminant compositions that contain oxides of calcium and which does not react with the material of the layer () having chemically stabilized zirconia. Methods for making such components as well as to uses of specific systems for coating thermal barrier coatings, can prevent CMAS.

Multilayer thermal barrier coating

An optical sensor device for local analysis of a combustion process in a combustor of a thermal power plant, in particular a gas turbine plant, includes at least one wavelength selective optical element exposed directly or indirectly to hot combustion gases being produced by said combustion process, the optical element including an array of nano- and/or microcrystalline fibres which are created by shear flow crystallization.

Optical sensor device for local analysis of a combustion process in a combustor of a thermal power plant

Multinary alloys, in particular for use as coatings, if appropriate in combination with other types of layers, for components which are exposed to high temperatures and corrosive gases. The alloys are of the general form: Al&#x2014;Ni&#x2014;Ru-M, where at least one B2 phase is present, the aluminum content being in the range from 26&#x2013;60 atomic percent and where M may be one or more metals and/or semimetals selected from the group consisting of: precious metal, transition metal, rare earths, semimetal. Multinary alloys of this type are very stable with respect to oxidation, have a low thermal conductivity and in particular have similar coefficients of thermal expansion to superalloys, which are usually used as substrates for protective coatings of this type in gas turbine components.

Aluminum-based multinary alloys and their use as heat- and corrosion-resistant coatings

The present invention relates to an icosahedral, quasicrystalline compound or compound present in the form of an approximant having the nominal composition: TiCrAlSiO, in which v=60-65; w=25-30; x=0-6; Y=8-15; z=8-20; and in which the atom percent of oxygen is in the range of between 8 and 15%, and that of aluminum in the range of between 2 to 5%. Due to their layered structure and ceramic intermediate layers, compounds of this type exhibit excellent properties, in particular for use as coatings for gas turbine components, such as for example, rotor blades or guide vanes.

Quasicrystalline alloys and their use as coatings

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Zurich, Switzerland

Valery Shklover