NASA NTRS · 19720052002
Development of moldable carbonaceous materials for ablative rocket nozzles.
Abstract
Description of a materials system developed for use as low-cost ablative nozzles for NASA's 260-in. solid rocket motor. Petroleum coke and carbon black fillers were employed; high density was achieved by controlling particle size distribution. An alumina catalyzed furfuryl ester resin which produced high carbon residues after pyrolysis was employed as the binder. Staple carbon fibers improved the strength and crack resistance of molded bodies. In static firing tests of two subscale nozzles, this material compared favorably in erosion rate with several other ablative systems.
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Lockhart, R. J., Bortz, S. A., Schwartz, M. A.. 1972-01-01. Development of moldable carbonaceous materials for ablative rocket nozzles.. https://ntrs.nasa.gov/citations/19720052002
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