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Development of high temperature materials for solid propellant rocket nozzle applicationsEvaluation of tantalum carbide-tungsten fiber composites has been completed as far as weight percent carbon additions and weight percent additions of tungsten fiber. Extensive studies were undertaken concerning Young's Modulus and fracture strength of this material. Also, in-depth analysis of the embrittling effects of the extra carbon additions on the tungsten fibers has been completed. The complete fabrication procedure for the tantalum carbide-tungsten fiber composites with extra carbon additions is given. Microprobe and metallographic studies showed the effect of extra carbon on the tungsten fibers, and evaluation of the thermal shock parameter fracture strength/Young's Modulus is included.
Document ID
19750002093
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Manning, C. R., Jr. (North Carolina State Univ. Raleigh, NC, United States)
Honeycutt, L., III (North Carolina State Univ. Raleigh, NC, United States)
Date Acquired
September 3, 2013
Publication Date
October 15, 1974
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
QPR-3
NASA-CR-140666
Accession Number
75N10165
Funding Number(s)
CONTRACT_GRANT: NGR-34-002-108
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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