For improved efficiency and reduced emissions, the future power plants need to operate at high temperatures and pressures, which however are limited by the durability of conventional materials such as ferritic steels. Steam oxidation of a number of coatings (Al slurries, thermal spraying, chemical vapor deposition siliconizing, and nickel plating) has demonstrated the feasibility of coatings to improve oxidation resistance. Al slurry coatings combine good high-temperature oxidation resistance through the growth of an layer and the possibility to apply the coating on an industrial scale at moderate cost. This work aimed to test the oxidation performance of coatings and reference alloys in ultra-supercritical (USC) water. The tested materials included Al slurry coating on ferritic 9%Cr steel and nickel-based A263 substrates, and bulk P92, MARBN, and A263 alloys as reference specimens. Oxidation resistance was tested by exposure to flowing supercritical water (SCW) with 125 ppb dissolved oxygen at 650°C (3625 psi) up to 1000 hr.
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e-mail: Maria.Oksa@vtt.fi
e-mail: Satu.Tuurna@vtt.fi
e-mail: Jarkko.Metsajoki@vtt.fi
e-mail: Sami.Penttila@vtt.fi
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January 2016
Research Papers
Oxidation Performance Coating for Future Supercritical Power Plants
Maria Oksa,
e-mail: Maria.Oksa@vtt.fi
Maria Oksa
VTT Technical Research Centre of Finland Ltd.
, Kemistintie 3, P.O. Box 1000, 02044 VTT Espoo
, Finland
e-mail: Maria.Oksa@vtt.fi
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Satu Tuurna,
e-mail: Satu.Tuurna@vtt.fi
Satu Tuurna
VTT Technical Research Centre of Finland Ltd.
, Sinitaival 6, 33720 Tampere
, Finland
e-mail: Satu.Tuurna@vtt.fi
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Jarkko Metsäjoki,
e-mail: Jarkko.Metsajoki@vtt.fi
Jarkko Metsäjoki
VTT Technical Research Centre of Finland Ltd.
, P.O. Box 1000, 02044 VTT Espoo
, Finland
e-mail: Jarkko.Metsajoki@vtt.fi
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Sami Penttilä
e-mail: Sami.Penttila@vtt.fi
Sami Penttilä
VTT Technical Research Centre of Finland Ltd.
, P.O. Box 1000, 02044 VTT Espoo
, Finland
e-mail: Sami.Penttila@vtt.fi
Search for other works by this author on:
Maria Oksa
VTT Technical Research Centre of Finland Ltd.
, Kemistintie 3, P.O. Box 1000, 02044 VTT Espoo
, Finland
e-mail: Maria.Oksa@vtt.fi
Satu Tuurna
VTT Technical Research Centre of Finland Ltd.
, Sinitaival 6, 33720 Tampere
, Finland
e-mail: Satu.Tuurna@vtt.fi
Jarkko Metsäjoki
VTT Technical Research Centre of Finland Ltd.
, P.O. Box 1000, 02044 VTT Espoo
, Finland
e-mail: Jarkko.Metsajoki@vtt.fi
Sami Penttilä
VTT Technical Research Centre of Finland Ltd.
, P.O. Box 1000, 02044 VTT Espoo
, Finland
e-mail: Sami.Penttila@vtt.fi
Manuscript received May 30, 2015; final manuscript received August 12, 2015; published online December 9, 2015. Assoc. Editor: Thomas Schulenberg.
ASME J of Nuclear Rad Sci. Jan 2016, 2(1): 011018 (8 pages)
Published Online: December 9, 2015
Article history
Received:
May 30, 2015
Revision Received:
August 12, 2015
Accepted:
August 12, 2015
Citation
Oksa, M., Tuurna, S., Metsäjoki, J., and Penttilä, S. (December 9, 2015). "Oxidation Performance Coating for Future Supercritical Power Plants." ASME. ASME J of Nuclear Rad Sci. January 2016; 2(1): 011018. https://doi.org/10.1115/1.4031379
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