Isothermal and cyclic oxidation of an air plasma-sprayed thermal barrier coating system

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Thermogravimetric methods for evaluating bond coat oxidation in plasma-sprayed thermal barrier coating (TBC) systems were assessed by high-temperature testing of TBC systems with air plasma-sprayed (APS) Ni-22Cr-10Al-1Y bond coatings and yttria-stabilized zirconia top coatings. High-mass thermogravimetric analysis (at 1150{sup degrees}C) was used to measure bond coat oxidation kinetics. Furnace cycling was used to evaluate APS TBC durability. This paper describes the experimental methods and relative oxidation kinetics of the various specimen types. Characterization of the APS TBCs and their reaction products is discussed.

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9 p.

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Haynes, J.A.; Ferber, M.K.; Porter, W.D. & Rigney, E.D. August 1, 1996.

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Description

Thermogravimetric methods for evaluating bond coat oxidation in plasma-sprayed thermal barrier coating (TBC) systems were assessed by high-temperature testing of TBC systems with air plasma-sprayed (APS) Ni-22Cr-10Al-1Y bond coatings and yttria-stabilized zirconia top coatings. High-mass thermogravimetric analysis (at 1150{sup degrees}C) was used to measure bond coat oxidation kinetics. Furnace cycling was used to evaluate APS TBC durability. This paper describes the experimental methods and relative oxidation kinetics of the various specimen types. Characterization of the APS TBCs and their reaction products is discussed.

Physical Description

9 p.

Notes

OSTI as DE96011952

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  • 41. American Society of Mechanical Engineers (ASME) international gas turbine and aeroengine congress and exposition, Birmingham (United Kingdom), 10-13 Jun 1996

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  • Other: DE96011952
  • Report No.: CONF-960608--7
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 279596
  • Archival Resource Key: ark:/67531/metadc671291

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  • August 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • Jan. 22, 2016, 11:45 a.m.

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Haynes, J.A.; Ferber, M.K.; Porter, W.D. & Rigney, E.D. Isothermal and cyclic oxidation of an air plasma-sprayed thermal barrier coating system, article, August 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc671291/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.