GLTRS--Glenn
TITLE AND SUBTITLE:
Self-Lubricating Polymer Composites and Polymer Transfer Film Lubrication for Space Applications

AUTHOR(S):
Robert L. Fusaro

REPORT DATE:
February 1990

FUNDING NUMBERS:
WU-506-43-11-00

PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
Lewis Research Center
Cleveland, Ohio 44135-3191

PERFORMING ORGANIZATION REPORT NUMBER:
E-5284

SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
Washington, DC 20546-0001

REPORT TYPE AND DATES COVERED:
Technical Memorandum

SPONSORING/MONITORING AGENCY REPORT NUMBER:
NASA TM-102492

SUPPLEMENTARY NOTES:
Responsible person, Robert L. Fusaro, 216-433-6080.

ABSTRACT:
The use of selflubricating polymers and polymer composites in space is somewhat limited today. In general, they are only used when other methods are inadequate. There is potential, however, for these materials to make a significant impact on future space missions if properly utilized. This paper surveys some of the different polymers and fillers used to make selflubricating composites. It delves into the mechanisms of composite lubrication and wear, the theory behind transfer film lubricating mechanisms, and some factors which affect polymer composite wear and transfer. In addition, some of the current space tribology application areas for selflubricating polymer composites and polymer transfer are mentioned.

SUBJECT TERMS:
Polymers; Friction; Wear; Transfer; Self-lubricating; Composites

NUMBER OF PAGES:
48

PDF AVAILABLE FROM URL:
1990/TM-102492.pdf
( 3,167 KB )

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