Effect of radiation dose on depth-dependent oxidation and wear of shelf-aged gamma-irradiated ultra-high molecular weight polyethylene (UHMWPE)

Effect of radiation dose on depth-dependent oxidation and wear of shelf-aged gamma-irradiated ultra-high molecular weight polyethylene (UHMWPE)

The effect of radiation dose on the depth-dependent oxidation and wear of shelf-aged gamma-irradiated UHMWPE was investigated in this paper. FTIR, micro-indentation, pin-on-plate wear tests and SEM imaging were carried out at three representative regions (surface, subsurface and center) for each sam...

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Veröffentlicht in:Tribology international 2015-09, Vol.89, p.78-85
Hauptverfasser: Zhang, Lei, Sawae, Yoshinori, Yamaguchi, Tetsuo, Murakami, Teruo, Yang, Hong
Format: Artikel
Sprache:eng
Schlagworte:
Density
Dosage
Gamma-irradiated UHMWPE
Microhardness
Oxidation
Polyethylenes
Radiation effects
Wear
Wear rate
Wear resistance
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Zusammenfassung:The effect of radiation dose on the depth-dependent oxidation and wear of shelf-aged gamma-irradiated UHMWPE was investigated in this paper. FTIR, micro-indentation, pin-on-plate wear tests and SEM imaging were carried out at three representative regions (surface, subsurface and center) for each sample. The experimental results show that when the oxidation index (OI)
ISSN:0301-679X
1879-2464
DOI:10.1016/j.triboint.2014.12.011