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Reference Number DTI/CC/409
Title Alloy Development for Critical Components on Future Coal-Fired power Plant
Status Completed
Energy Categories FOSSIL FUELS: OIL, GAS and COAL(Coal, Coal combustion) 80%;
OTHER POWER and STORAGE TECHNOLOGIES(Electric power conversion) 20%;
Research Types Applied Research and Development 100%
Science and Technology Fields PHYSICAL SCIENCES AND MATHEMATICS (Metallurgy and Materials) 50%;
ENGINEERING AND TECHNOLOGY 50%;
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Dr S (Stuart ) Mitchell
No email address given
Technology Centre
Babcock International Group plc
Award Type 3
Funding Source DTI
Start Date 01 September 2004
End Date 01 July 2008
Duration 46 months
Total Grant Value £780,880
Industrial Sectors
Region London
Programme
 
Investigators Principal Investigator Dr S (Stuart ) Mitchell , Technology Centre, Babcock International Group plc (99.992%)
  Other Investigator Project Contact , Mechanical Engineering, Loughborough University (0.001%)
Project Contact , Corus (0.001%)
Project Contact , E.ON UK (formerly PowerGen) (0.001%)
Project Contact , Metrode Products Ltd (0.001%)
Project Contact , National Physical Laboratory (NPL) (0.001%)
Project Contact , Cranfield University (0.001%)
Project Contact , Alstom Power Ltd (0.001%)
Project Contact , TWI Technology Centre (0.001%)
Web Site
Objectives
  • To develop materials with 100,000 hour creep strength at 650 C and 100MPa and improved resistance to steam oxidation, whose use will result in increases in plant operating efficiency and thereby reduce carbon dioxide emissions.
  • Increase understanding of microstructural evolution in advanced materials and weldments, steam oxidation mechanisms, and coating degradation mechanisms.
  • Mechanical behaviour of advanced materials and weldments on laboratory samplesand fullsize prototype components.
  • Demonstration of prototype manufacturing, joining, non destructive examination and coating capabilities for large components.
Abstract

Improved efficiency in coal-fired power plant can be achieved by increasing steam temperatures and pressures, and this has been made practically possible over a number of years by the development of steels with improved creep strength enabling operation up to 600 620 C at present. In Europe a new initiative (COST 536) has been launched, entitled Alloy Development for Critical Components of Environmentally Friendly Power Plant (ACCEPT) , and encompasses all stages i n the development andvalidation of advanced steels capable of operation at temperatures up to 650 C. The primary route of achieving this is through the development of new alloying and coating concepts.

This project focuses on the validation testing of the capabilities of a new class of steels and their weldments at temperatures up to 650 C and the longer term qualification of advanced steels developed under COST 522. The project has been accepted forinclusion in the COST 536 initiative.

Which means that as well as retaining a significant UK interest (as many materials and processes have been and will be developed in the UK), it will also benefit by information exchange and technology transfer with other leading companies in Europe. The project consortium consists of UK companies and research centres involved inthe pan-European COST 536 initiative.

Specifically, the project will address the following objectives associated with the materials and life p rediction aspects of advancedpulverised fuel power plants.

  • Improved materials for furnaces, headers, superheaters, reheaters and pipework.
  • Improved materials for high pressure turbine rotors, casings, bolting and blading.
  • Improved weld and fabrication methods.
  • Improved models for steam oxidation and development of oxidation resistant coatings.
  • Improved models for corrosion prediction in furnaces.
Publications DTI (2005) Future Coal-Fired Power Plant - Alloy Development For Critical Components: Project Profile 367. DTI Cleaner Coal Technology Programme, URN 05/961, DTI, UK (PDF 5400 KB)
Final Report (none)
Added to Database 01/01/07