Publication

Method for producing a component having a high thermal loading capacity and coated with a heat protective layer

Heinrich Hofmann, Paul Bowen
2003
Patents

Abstract

NOVELTY - Production of a component (23) coated with a heat protection layer (21) and having a high thermal load capacity comprises applying an adhesion layer (22) containing aluminum on the surface of the component, and applying the heat protection layer on the adhesion layer. A thin auxiliary layer (24) made from nano-crystalline alpha-Al2O3 is formed on the adhesion layer before the heat protection layer is applied. USE - Used in the production of gas turbines. ADVANTAGE - The component has a long service life. DETAILED DESCRIPTION - Preferred Features: The auxiliary layer is directly deposited on the surface of the adhesion layer. The component is made from a super alloy. The adhesion layer is made from an MCrAlY alloy (where M = Fe, Co and/o Ni). The heat protection layer is made from Y-stabilized zirconium dioxide. The auxiliary layer is approximately 10 mum thick.

Official source

https://infoscience.epfl.ch/entities/publication/09b1fe1d-929e-4f0c-9e64-039a7263f5ea

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Heinrich Hofmann, Paul Bowen
2003
Patents

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/09b1fe1d-929e-4f0c-9e64-039a7263f5ea

About this result

Related concepts (32)

Superalloy

A superalloy, or high-performance alloy, is an alloy with the ability to operate at a high fraction of its melting point. Key characteristics of a superalloy include mechanical strength, thermal creep deformation resistance, surface stability, and corrosion and oxidation resistance. The crystal structure is typically face-centered cubic (FCC) austenitic. Examples of such alloys are Hastelloy, Inconel, Waspaloy, Rene alloys, Incoloy, MP98T, TMS alloys, and CMSX single crystal alloys.

Heat treating

Heat treating (or heat treatment) is a group of industrial, thermal and metalworking processes used to alter the physical, and sometimes chemical, properties of a material. The most common application is metallurgical. Heat treatments are also used in the manufacture of many other materials, such as glass. Heat treatment involves the use of heating or chilling, normally to extreme temperatures, to achieve the desired result such as hardening or softening of a material.

Gas turbine

A gas turbine, also called a combustion turbine, is a type of continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the direction of flow: a rotating gas compressor a combustor a compressor-driving turbine. Additional components have to be added to the gas generator to suit its application. Common to all is an air inlet but with different configurations to suit the requirements of marine use, land use or flight at speeds varying from stationary to supersonic.

Related publications (16)

Method for producing a component having a high thermal loading capacity and coated with a heat protective layer

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