Oxidation resistant coatings for ceramic matrix composite components

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Description

Corrosion resistant Ca{sub 0.6}Mg{sub 0.4}Zr{sub 4}(PO{sub 4}){sub 6} (CMZP) and Ca{sub 0.5}Sr{sub 0.5}Zr{sub 4}(PO{sub 4}){sub 6} (CS-50) coatings for fiber-reinforced SiC-matrix composite heat exchanger tubes have been developed. Aqueous slurries of both oxides were prepared with high solids loading. One coating process consisted of dipping the samples in a slip. A tape casting process has also been created that produced relatively thin and dense coatings covering a large area. A processing technique was developed, utilizing a pre-sintering step, which produced coatings with minimal cracking.

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12 p.

Creation Information

Vaubert, V.M.; Stinton, D.P. & Hirschfeld, D.A. November 1, 1998.

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  • Vaubert, V.M.
  • Stinton, D.P. Oak Ridge National Lab., TN (United States)
  • Hirschfeld, D.A. New Mexico Inst. of Mining and Technology, Socorro, NM (United States). Dept. of Materials and Metallurgical Engineering

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Description

Corrosion resistant Ca{sub 0.6}Mg{sub 0.4}Zr{sub 4}(PO{sub 4}){sub 6} (CMZP) and Ca{sub 0.5}Sr{sub 0.5}Zr{sub 4}(PO{sub 4}){sub 6} (CS-50) coatings for fiber-reinforced SiC-matrix composite heat exchanger tubes have been developed. Aqueous slurries of both oxides were prepared with high solids loading. One coating process consisted of dipping the samples in a slip. A tape casting process has also been created that produced relatively thin and dense coatings covering a large area. A processing technique was developed, utilizing a pre-sintering step, which produced coatings with minimal cracking.

Physical Description

12 p.

Notes

OSTI as DE99000383

Source

  • 100. annual meeting of the American Ceramic Society, Cincinnati, OH (United States), 3-6 May 1998

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  • Other: DE99000383
  • Report No.: ORNL/CP--99074
  • Report No.: CONF-980521--
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 290927
  • Archival Resource Key: ark:/67531/metadc679094

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • November 1, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Jan. 22, 2016, 1:02 p.m.

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Vaubert, V.M.; Stinton, D.P. & Hirschfeld, D.A. Oxidation resistant coatings for ceramic matrix composite components, article, November 1, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc679094/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.