Publication: Radiation enhanced modification of HDPE for medical applications
Issued Date
2003-10-01
Resource Type
ISSN
09574530
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2-s2.0-0142057182
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Materials Science: Materials in Medicine. Vol.14, No.10 (2003), 851-855
Suggested Citation
J. Suwanprateeb, P. Trongtong Radiation enhanced modification of HDPE for medical applications. Journal of Materials Science: Materials in Medicine. Vol.14, No.10 (2003), 851-855. doi:10.1023/A:1025674424565 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/20691
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Title
Radiation enhanced modification of HDPE for medical applications
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Abstract
Comparison of gamma irradiation induced change in properties in terms of thermal and mechanical properties between two grades of HDPE and UHMWPE was carried out. It was found that the responses to irradiation of two grades of HDPE investigated were close whereas a difference in response was found between HDPE and UHMWPE. The irradiation dose that caused the lowest wear and highest hardness for UHMWPE was 500 kGy. When irradiation dose was above 500 kGy, no significant changes in wear and hardness properties were observed. The irradiation dose for HDPE, both 2208J and 7000F, that caused the wear resistance and hardness comparable to irradiated UHMWPE at 500 kGy was 1000 kGy. In addition, the dose of 750 kGy was needed for HDPE to achieve the similar level of wear resistance as non-irradiated UHMWPE. © 2003 Kluwer Acadamic Publishers.