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  • MECHANICAL ENGINEERING  (1)
  • Carcinoma, Pancreatic Ductal/*immunology/pathology
  • Carcinoma, Lewis Lung/*immunology/pathology/therapy
  • 1985-1989  (1)
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  • MECHANICAL ENGINEERING  (1)
  • Carcinoma, Pancreatic Ductal/*immunology/pathology
  • Carcinoma, Lewis Lung/*immunology/pathology/therapy
  • NONMETALLIC MATERIALS  (1)
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  • 1
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    The in-vacuo torque performance of dry-lubricated ball bearings at cryogenic temperatures (1989)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The performance of dry-lubricated, angular contact ball bearings in vacuum at a temperature of 20 degrees K has been investigated, and is compared with the in-vacuo performance at room temperatures. Bearings were lubricated using dry-lubricant techniques which have been previously established for space applications involving operations at or near room temperature. Comparative tests were undertaken using three lubricants: molybdenum disulphide, lead, and PTFE. Results obtained using the three lubricants are presented.
    Keywords: MECHANICAL ENGINEERING
    Type: NASA, Marshall Space Flight Center, The 23rd Aerospace Mechanisms Symposium; p 319-333
    Format: application/pdf
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