GLTRS--Glenn
TITLE AND SUBTITLE:
How to Evaluate Solid Lubricant Films Using a Pin-on-Disk Tribometer

AUTHOR(S):
Robert L. Fusaro

REPORT DATE:
May 1986

FUNDING NUMBERS:
WU-505-63-01-00

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

PERFORMING ORGANIZATION REPORT NUMBER:
E-2909

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-87236

SUPPLEMENTARY NOTES:
Prepared for the 1986 Annual Meeting of the American Society of Lubrication Engineers, Toronto, Canada,
May 12-15, 1986.

ABSTRACT:

Over the years, the author has evaluated and compared hundreds of solid lubricant films using a pinondisk tribometer. The intent of this paper is to describe to the reader experimental techniques and some of parameters that have been observed to be important for the evaluation and development of new solid lubricant films. Pinondisk tribometers will be described and discussed as will experimental methods for evaluating solid lubricant materials. Methods of preparing surfaces for the coating of the films and different methods for applying the films will be reviewed. Factors that affect solid lubricant performance will also be discussed. Two different macroscopic mechanisms of solid lubricant film wear exist. These will be characterized schematically, and methods of measuring wear will be examined.

SUBJECT TERMS:
Friction; Wear; Solid lubricant coatings; Tribometers; Wear devices; Testing techniques

NUMBER OF PAGES:
22

PDF AVAILABLE FROM URL:
1986/TM-87236.pdf
( 3,503 KB )

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