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Title
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Research And Development On Advanced Graphite Materials. Volume XXXVIII - Development Of An Improved Large-Diameter Ultrafine-Grain Graphite
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Date
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1964
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Index Abstract
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Contrails and DTIC
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Photo Quality
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Not Needed
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Report Number
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WADD TR 61-72 Volume 38
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Creator
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Howard, V
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Racicot, R. L.
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Corporate Author
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Advanced Materials Laboratory, National Carbon Company
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Laboratory
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Air Force Materials Laboratory
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Extent
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28
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NTRL Accession Number
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AD601406
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Identifier
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AD0601406
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AD0601406
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Access Rights
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OTS
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Distribution Classification
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1
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Contract
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AF 33(616)-6915
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DoD Project
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7350
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DoD Task
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735002
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DTIC Record Exists
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Yes
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Distribution Change Authority Correspondence
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None
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Report Availability
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Full text available
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Date Issued
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1964-04
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Abstract
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The report describes the development, fabrication processes and physical properties of grade RVD graphite (formerly RT-0008), 18-inch diameter by 15-inch length, and an attempted scale-up of this grade to 33-inch diameter. Grade RVD graphite, an extra-fine-grain material formed by pressure curing, is nominally characterized by a density of 1.87 to 1.89 g/cc and flexural strengths of 4700 lbs/in2 with the grain and 310 lbs/in2 across the grain. Nozzles made from RVD graphite, tested in a subscale rocket motor, exhibit a low erosion rate and high thermal shock resistance.
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Publisher
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Wright-Patterson Air Force Base, OH : Air Force Materials Laboratory, Research and Technology Division, Air Force Systems Command
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Distribution Conflict
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No
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Provenance
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IIT
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Type
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report
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Subject
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Physical Properties
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Refractory Materials
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Graphite
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Nozzle Inserts
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Rocket Nozzles
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Particle Size
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Density
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Tensile Properties
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Wear Resistance
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Erosion
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Thermal Stresses
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Shock( Mechanics)
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Format
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1 online resource