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Wear of nano-TiO 2 /UHMWPE composites radiated by gamma ray under physiological saline water lubrication

科研成果: 期刊稿件文章同行评审

40 引用 (Scopus)

摘要

Nano-TiO 2 /UHMWPE composites were prepared by hot press procedure, and then radiated by gamma ray in dose of 120 kGy, 250 kGy and 500 kGy. The hardness of the composites was initially determined. Subsequently the wear against a CoCrMo alloy counterface were tested in a knee simulator under physiological saline lubrication. The morphologies of the worn surfaces were examined with optical microscope. The structure of the samples was determined by IR and XRD. The results showed that the wear rate of the composite UHMWPE decreased when filled with proper amount of nano-TiO 2 and with the radiation dose.

源语言英语
页(从-至)2131-2135
页数5
期刊Journal of Materials Science: Materials in Medicine
18
11
DOI
出版状态已出版 - 11月 2007
已对外发布

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