GLTRS--Glenn
TITLE AND SUBTITLE:
Fundamental Aspects of Polyimide Dry Film and Composite Lubrication-A Review

AUTHOR(S):
Robert L. Fusaro

REPORT DATE:
October 1982

FUNDING NUMBERS:
WU-505-32-40-00

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

PERFORMING ORGANIZATION REPORT NUMBER:
E-1317

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-82968

SUPPLEMENTARY NOTES:
Prepared for the Joint Lubrication Conference cosponsored by the American Society of Mechanical Engineers and the American Society of Lubrication Engineers, Washington, DC, October 5-7, 1982.

ABSTRACT:
This paper reviews the research conducted to date at NASA Lewis Research Center on the fundamental tribological properties of polyimide dry films and composites. Friction coefficients, wear rates, transfer film characteristics, wear surface morphology, and possible wear mechanisms of several different polyimide films, polyimidebonded solid lubricants, polyimide solid bodies, and polyimide composites are compared and discussed. Such parameters as temperature, type of atmosphere, load, contact stress, and specimen configuration are investigated. In addition, data from an accelerated test device (PinonDisk) are compared to similar data obtained from an end use application test device (plain spherical bearing).


SUBJECT TERMS:
Polymers friction and wear; Solid lubricants; Wear mechanisms;
Polyimide; Composites; Polymer films

NUMBER OF PAGES:
42

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1982/TM-82968.pdf
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