Effects of Ultraviolet Radiation on Lattice Imperfections in Pyrolytic Boron Nitride

  • John D. Buckley
  • James A. Cooley
Conference paper
Part of the Materials Science Research book series (MSR, volume 5)


Pyrolytic boron nitride was exposed to 310 equivalent sun hours of ultraviolet radiation in a space environment simulator. Lattice parameter comparisons show a definite increase in lattice imperfections in the crystal structure resulting from the ultraviolet irradiation.


Boron Nitride Ultraviolet Radiation Solar Simulator Lattice Imperfection Solar Absorptance 


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  1. 1.
    M. Brasche and D. Schiff, in Design Eng., 78–81, Feb. 1964.Google Scholar
  2. 2.
    American Society for Testing Materials “ASTM X-Ray Diffraction Card on Boron Nitride 9–12.” (Data obtained from Hadfields Ltds., Sheffield and A.E.R.E., Harwell.)Google Scholar
  3. 3.
    G. A. Zerlaut and L. Node, “Development of Space-Stable Thermal-Control Coatings”. Rept. No. IITRI U6002 - 63, April 1968.Google Scholar
  4. 4.
    T. A. Ingles and P. Popper pp. 144–67 in Special Ceramics. P. Popper. Academic Press, New York, 1960.Google Scholar
  5. 5.
    W. S. Slemp,(NASA Langley Research Center), Personal communication Nov. 1970.Google Scholar

Copyright information

© Plenum Press, New York 1971

Authors and Affiliations

  • John D. Buckley
    • 1
  • James A. Cooley
    • 2
  1. 1.NASA Langley Research CenterHamptonUSA
  2. 2.Martin-Marietta CorporationDenverUSA

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