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Effect of atmosphere and temperature on wear, friction, and transfer of polyimide filmsFriction and wear experiments conducted on polyimide films bonded to 440C stainless steel disks indicated that a wear transition (from high wear to low wear) accompanied the friction transition (from high friction to low friction). The transition was found to be atmosphere dependent as well as temperature dependent. Wear rate calculations indicated that at temperatures above the transition, wear could be up to 600 times less than at temperatures below the transition. Transfer to metallic riders was also investigated and found to be considerably different at temperatures above and below the transition.
Document ID
19760020335
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Fusaro, R. L. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1976
Subject Category
Nonmetallic Materials
Report/Patent Number
NASA-TM-X-73423
E-8761
Report Number: NASA-TM-X-73423
Report Number: E-8761
Meeting Information
Meeting: Lubrication Conf.
Location: Boston, MA
Country: United States
Start Date: October 5, 1976
End Date: October 7, 1976
Sponsors: Am. Soc. of Mech. Engr., Am. Soc. of Lubrication Engr.
Accession Number
76N27423
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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