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Coatings for supercritical steam cycles

Coatings for supercritical steam cycles

Objective

The reduction of CO2 emissions requires the increase of power plant efficiency. This can be achieved by applying higher steam temperatures. However, at temperatures higher than 550 degrees Celsius, steam oxidation of steels causes the formation of very thick oxide scales that produce a thermal insulating effect resulting in overheating. The scale may also spall with the consequence of a metal cross-section loss that can cause erosion of components located down-stream as well as component blockage.

The use of coatings to prevent such oxidation reactions can be the solution to this problem. Understanding the mechanism of steam oxidation, as well as the formation of protective oxide scales would provide an important tool for design in materials and/or protective coatings to be used under the new expected operating conditions.

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Coordinator

ALSTOM POWER SUPPORT GMBH

Address

Boveristrasse 22
68309 Mannheim

Germany

Administrative Contact

Wolfgang KEPPEL (Mr)

Participants (7)

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ARISTOTLE UNIVERSITY OF THESSALONIKI

Greece

BRITISH ENGINES LIMITED

United Kingdom

FORSCHUNGSZENTRUM JUELICH GMBH

Germany

KEMA NEDERLAND BV

Netherlands

MONITOR COATINGS AND ENGINEERS LIMITED

United Kingdom

National Physical Laboratory (NPL)

United Kingdom

UNIVERSITY OF NORTHUMBRIA AT NEWCASTLE

United Kingdom

Project information

Grant agreement ID: ENK5-CT-2002-00608

  • Start date

    1 December 2002

  • End date

    31 May 2006

Funded under:

FP5-EESD

  • Overall budget:

    € 3 350 020

  • EU contribution

    € 2 387 630

Coordinated by:

ALSTOM POWER SUPPORT GMBH

Germany