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Effect of sterilization irradiation on friction and wear of ultrahigh-molecular-weight polyethyleneThe effect of sterilization gamma irradiation on the friction and wear properties of ultrahigh molecular weight polyethylene (UHMWPE) sliding against 316L stainless steel in dry air at 23 C was determined. A pin-on-disk apparatus was used. Experimental conditions included a 1-kilogram load, a 0.061- to 0.27-meter-per-second sliding velocity, and a 32000- to 578000-meter sliding distance. Although sterilization doses of 2.5 and 5.0 megarads greatly altered the average molecular weight and the molecular weight distribution, the friction and wear properties of the polymer were not significantly changed.
Document ID
19790015045
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Jones, W. R., Jr. (NASA Lewis Research Center Cleveland, OH, United States)
Hady, W. F. (NASA Lewis Research Center Cleveland, OH, United States)
Crugnola, A. (Lowell Univ.)
Date Acquired
September 3, 2013
Publication Date
May 1, 1979
Subject Category
Nonmetallic Materials
Report/Patent Number
NASA-TP-1462
E-9697
Report Number: NASA-TP-1462
Report Number: E-9697
Accession Number
79N23216
Funding Number(s)
CONTRACT_GRANT: NASA ORDER C-8756
PROJECT: RTOP 506-10
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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