Journal of Materials Science

, Volume 14, Issue 10, pp 2471–2481 | Cite as

Interaction between silicon carbide and a nickel-based superalloy at elevated temperatures

  • R. L. Mehan
  • R. B. Bolon


A study has been made of the reaction of hot-pressed SiC and a nickel-based superalloy at temperatures between 700 and 1150° C. Under conditions of reduced oxygen pressure at the reaction interface, obtained by applying pressure to the couple, some degree of reaction was observed in both metal and ceramic at all temperatures studied. Preliminary studies utilizing the same techniques at 1000° C with a Si-SiC ceramic composite, Si3N4, MgO, Al2O3, and SiO2 also indicated some degree of reaction in the metal for all ceramics examined.


Reaction Zone Metal Matrix Composite Knoop Hardness Free Silicon Secondary Electron Scan Electron Microscopy 


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Copyright information

© Chapman and Hall Ltd. 1979

Authors and Affiliations

  • R. L. Mehan
    • 1
  • R. B. Bolon
    • 1
  1. 1.General Electric CompanyCorporate Research and DevelopmentSchenectadyUSA

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