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Journal of Materials Engineering and Performance

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01-02-2007

Dose and Dose-rate Dependence of Polyethylene Irradiation with Electron Beams “in Air”

Authors: L. Torrisi, A.M. Visco, N. Campo

Published in: Journal of Materials Engineering and Performance | Issue 1/2007

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Abstract

The chemical and physical properties of ultra-high-molecular-weight-polyethylene (UHMWPE) can be modified by high absorption dose of ionizing radiations. Energetic electron beams, 5 MeV in energy, with a penetration depth higher than 1 cm, can be used to deposit electron energy in thick UHMWPE. Different doses and different dose-rates have been employed at room temperature to irradiate the polyethylene samples in air. Mechanical measurements of tensile strength, wear resistance and hardness were performed on the pristine and electron-irradiated polymers. Results suggested the better irradiation conditions in order to optimize the mechanical properties of the polymer. Special medical applications of the electron-irradiated UHMWPE are presented and discussed.

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Title: Dose and Dose-rate Dependence of Polyethylene Irradiation with Electron Beams “in Air”
Authors: L. Torrisi
A.M. Visco
N. Campo
Publication date: 01-02-2007
Publisher: Springer US
Published in: Journal of Materials Engineering and Performance / Issue 1/2007
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-006-9015-x

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