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  • 1
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    Integration of ground and on-board system for terminal count (1985)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The development of an integrated ground and onboard system for Space Shuttle terminal count management is discussed. The criteria considered in designing this system are outlined. Examples of problems encountered in the process of maturing the design are presented.
    Keywords: SPACE TRANSPORTATION
    Type: NASA. Johnson Space Center Space Shuttle Tech. Conf., Pt. 1; p 81-86
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Lubricant selection for gear designers (1972)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Guide for gear designers, consisting of theory, calculations, charts, curves and references, explains lubrication requirements for gears to insure maximum performance. Mechanical and service variables are considered in order to obtain optimum gear performance under severe operating conditions.
    Keywords: MATERIALS
    Type: LEW-11483
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 3
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    Lubricants and Additives Affect Spur-Gear Fatigue (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Surface-fatigue tests conducted with AISI 9310 steel spur gears show surface-fatigue life of AISI 9310 steel spur gears increased as much as 400 percent by addition of small amount of phosphorus-type extreme-pressure (EP) additive in lubricant. Antiwear or EP additives either absorbed onto surface or react with surface to form protective coating or surface film. Boundary film provides barrier that prevents contact of metal surfaces and provides low shear strength, which reduces friction coefficient below base metal.
    Keywords: MATERIALS
    Type: LEW-14314 , NASA Tech Briefs (ISSN 0145-319X); 10; 5; P. 84
    Format: text
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    NASA TECHNICAL REPORTS
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