The biotribological behaviour researches on the α-tocopherol-doped and gamma-irradiated UHMWPE Online publication date: Fri, 14-May-2010
by Zifeng Ni, Shirong Ge
International Journal of Surface Science and Engineering (IJSURFSE), Vol. 4, No. 3, 2010
Abstract: The effect of antioxidant α-tocopherol on the mechanics and wear of UHMWPE was investigated. It is shown that the UHMWPE doped with α-tocopherol increases its crystallinity and hardness but decreases its gel content. Incorporation of α-tocopherol increases the elastic and plastic properties of the irradiated UHMWPE sample. Accelerated aging results in severely deterioration of the mechanical properties of irradiated UHMWPE samples. But the α-tocopherol doped UHMWPE sample shows good anti-oxidation property. Wear resistance of α-tocopherol doped irradiated UHMWPE sample was much better compared to the irradiated UHMWPE sample.
Online publication date: Fri, 14-May-2010
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