FABRICATION OF BERYLLIUM OXIDE RADOMES BY PYROLYTIC DEPOSITION
Final engineering rept. for 8 Feb 1963-30 Jun 1964
NATIONAL BERYLLIA CORP HASKELL NJ
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Research and development work has been conducted with the objective of producing refractory oxide coatings by pyrolytic deposition processes. Beryllium oxide, because of its outstanding physical properties, such as high melting point, high thermal conductivity, low density and electrical characteristics is a strong contender for advanced structural applications. The program was therefore directed toward the preparation of the pyrolytic form of this com pound. A hydro-pyrolytic reaction involving thermal decomposition of beryllium compounds produced in the vapor phase from volatile beryllium halides and oxygen donors such as water vapor was selected for detailed stu. The parameters of the dependent and independent variables were partially established and consequently pyrolytic coatings of limited thickness only were produced. The investigation therefore not only demonstrated that pyrolytic beryllium oxide can be prepared but also that continued research is necessary in order to define the controls which must be observed in order to produce the compound in massive form.
- Active and Passive Radar Detection and Equipment
- Coatings, Colorants and Finishes
- Ceramics, Refractories and Glass