FIELD: chemistry.
SUBSTANCE: present invention pertains to rocket technology, mainly to making antenna covers. The technical outcome of the invention is improved mechanical and radio-technical properties. The method of making a cover of an antenna cap from quartz ceramic involves slip casting a water suspension into a gypsum mould and drying. The half-finished cover is then dried at 500-600°C for 3-5 hours and saturated with silicon resin, with subsequent polymerisation at 220-350°C in a period of 4-5 hours. The cover is then mechanically processed into the required dimensions, thermally processed at 700-900°C for 4-6 hours, repeatedly saturated with silicon resin and polymerised.
EFFECT: improvement of mechanical and radio-technical characteristics.
4 ex
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Authors
Dates
2009-02-10—Published
2007-06-04—Filed