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  • 1
    facet.materialart.
    Unknown
    The non-metallic materials sample array (1986)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The Non-Metallic Materials Sample Array (MSA) was flown as verification flight instrumentation (VFI) on both Spacelab 1 (SL-1) and Spacelab 2 (SL-2). The basis for materials selection was either previous flight history or probable flight suitability based upon analysis. The observed changes in the optical properties of the exposed materials are, in general, quite minimal; however, this data represents the short exposure of two Space Shuttle missions, and no attempt should be made to extrapolate the long-term exposure. The MSA was in orbit for 10 days at approximately 240 km on SL-1 and for 7 days at approximately 315 km on SL-2. The array was exposed to the solar flux for only a portion of the time in orbit.
    Keywords: NONMETALLIC MATERIALS
    Type: NASA-TM-86578 , NAS 1.15:86578
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Effects of natural environment on first generation solid rocket booster thermal protection system materials (1988)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The effort to demonstrate, by real-time exposure, the effects of the natural environment at Kennedy Space Center, Florida, upon the Thermal Protection System (TPS) of the Solid Rocket Booster (SRB) is summarized, and that the overall SRB TPS configuration is verified to meet all requirements for resistance to the conditions associated with outdoor weathering, including: solar radiation; temperature; humidity; precipitation; wind; sand/dust abrasion; static electricity; salt spray; fungus; and atmospheric oxidants. The evaluation criterion for this project was based upon flatwise tensile properties, visual inspection, color change, and thermal performance. Based upon the evaluation of the changes in these properties, it is concluded that properly applied and topcoat-protected TPS can satisfactorily withstand the conditions of the natural environment at KSC for exposures up to six months.
    Keywords: ENVIRONMENT POLLUTION
    Type: NASA-TM-100329 , NAS 1.15:100329
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Unknown
    Sprayable low density ablator and application process (1978)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A sprayable, low density ablative composition is described consisting esentially of: (1) 100 parts by weight of a mixture of 25-65% by weight of phenolic microballoons, 0-20% by weight of glass microballoons, 4-10% by weight of glass fibers, 25-45% by weight of an epoxy-modified polyurethane resin, 2-4% by weight of a bentonite dispersing aid, and 1-2% by weight of an alcohol activator for the bentonite; (2) 1-10 parts by weight of an aromatic amine curing agent; and (3) 200-400 parts by weight of a solvent.
    Keywords: COMPOSITE MATERIALS
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Unknown
    Mission control of Lunar Orbiter I. (1967)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Earth-based mission control system of Lunar Orbiter I
    Keywords: SPACE VEHICLES
    Type: AIAA PAPER 67-276
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    High-Temperature, Low-Gravity Casting Furnace (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Up to six different samples processed. Experimental melting and casting furnace designed to perform metallurgical studies in low gravity.
    Keywords: MATERIALS
    Type: MFS-25605 , NASA Tech Briefs (ISSN 0145-319X); 8; 2; P. 217
    Format: text
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    NASA TECHNICAL REPORTS
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