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  • 1
    facet.materialart.
    Unknown
    Lightweight Protective Garments (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Proposed garment material protects wearer from poisonous chemicals, bacteria, and radioactive particulates. Garment allows heat, moisture, and carbon dioxide to pass from inside to outside so wearer remains comfortable. Garment made of cotton fabric on which thin layer of polyacrylate rubber is deposited by calendering or spraying. Lighter and cooler than existing protective garments. Polyacrylate rubber selected for garment material because it transmits water vapor and carbon dioxide at high rates.
    Keywords: MATERIALS
    Type: NPO-16510 , NASA Tech Briefs (ISSN 0145-319X); 9; 4; P. 115
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Purifying Aluminum by Vacuum Distillation (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Proposed method for purifying aluminum employs one-step vacuum distillation. Raw material for process impure aluminum produced in electrolysis of aluminum ore. Impure metal melted in vacuum. Since aluminum has much higher vapor pressure than other constituents, boils off and condenses on nearby cold surfaces in proportions much greater than those of other constituents.
    Keywords: MATERIALS
    Type: NPO-16114 , NASA Tech Briefs (ISSN 0145-319X); 9; 1; P. 96
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 3
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    Unknown
    Reinforcing the Separators for Lithium/Carbon Cells (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Fabrication of lithium/carbon batteries simplified by attachment of perforated nickel-foil, graphite-cloth, or graphite-paper backings to glass-fiber separators. Both nickel and carbon backings appear viable. Because perforated nickel foil already manufactured by electroforming, no obstacle to creation of very thin, very porous nickel foil to serve as backing: Thicknesses of 20 micrometers with porosities above 50 percent practicable.
    Keywords: MATERIALS
    Type: NPO-16619 , NASA Tech Briefs (ISSN 0145-319X); 10; 3; P. 70
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 4
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    Unknown
    Pressure-Sensitive Resistor Material (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Low-conductivity particles in rubber offer wide dynamic range. Sensor consists of particles of relatively low conductivity embedded in rubber. Resistance of sensor decreases by about 100 times as pressure on it increases from zero to 0.8 MN/M to the second power. Resistor promising candidate as tactile sensor for robots and remote manipulators.
    Keywords: MATERIALS
    Type: NPO-16537 , NASA Tech Briefs (ISSN 0145-319X); 10; 1; P. 86
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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