Heat shield characterization: Outer planet atmospheric entry probe

Details Heat shield characterization: Outer planet atmospheric entry probe Heat shield characterization: Outer planet atmospheric entry probe

May 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976stin...7629538m&link_type=abstract

Unknown

Computer Science

Heat Shielding, Outer Planets Explorers, Carbon, Fabrication, Forming Techniques, Nondestructive Tests, Phenolic Resins

Scientific paper

A full scale carbon phenolic heat shield was fabricated for the Outer Planet Probe in order to demonstrate the feasibility of molding large carbon phenolic parts with a new fabrication processing method (multistep). The sphere-cone heat shield was molded as an integral unit with the nose cap plies configured into a double inverse chevron shape to achieve the desired ply orientation. The fabrication activity was successful and the feasibility of the multistep processing technology was established. Delaminations or unbonded plies were visible on the heat shield and resulted from excessive loss of resin and lack of sufficient pressure applied on the part during the curing cycle. A comprehensive heat shield characterization test program was conducted, including: nondestructive tests with the full scale heat shield and thermal and mechanical property tests with small test specimen.

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