THERMAL PROTECTIVE SURFACES FOR STRUCTURAL PLASTICS.
Quarterly progress rept. no. 3, 1 Feb-30 Apr 60,
BENDIX CORP SOUTH BEND IND BENDIX PRODUCTS DIV
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An investigation was carried out on the effect of processing variables for the Zirconia based insulating and erosion resistant layers. The required compacting pressures and heat treatment for these materials was established. In addition, various methods were tried for fabricating the more complex structures. It was concluded that the best system currently available is a glass filled Phenolic plastic protected with an Inconel honeycomb reinforced Zirconia insulator faced with a plasma sprayed Zirconia surface. This structure was fabricated into a small expansion cone in a configuration suitable for testing on a solid fuel rocket. Author