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http://dx.doi.org/10.7234/kscm.2009.22.2.001

Effect of Heat Treatment on Mechanical Properties of Cross-Linked Ultra-High Molecular Weight Polyethylene Used for Artificial Joint Liner  

Kim, Hyun-Mook ((주)오티스바이오텍 인공관절연구소)
Kim, Dong-Hoon ((주)오티스바이오텍 인공관절연구소)
Gu, Ja-Uk (한양대학교 대학원 기계공학과)
Choi, Nak-Sam (한양대학교 기계공학과)
Kim, Sung-Kon (고려대학교 의과대학 정형외과)
Publication Information
Composites Research / v.22, no.2, 2009 , pp. 1-6 More about this Journal
Abstract
The mechanical characteristics of gamma-ray irradiated UHMWPE specimens were investigated under various heat treatment conditions. The heat treatment was performed in the range of annealing and remelting temperatures. The annealing treatment below the temperature of $130^{\circ}C$ hardly induced changes in the tensile strength, the strain at the failure and the hardness. However the remelting treatment above $140^{\circ}C$ deteriorated those mechanical properties. It was shown in an FTIR analysis that the annealing treatment caused some oxidation of free radicals created by the pretreatment of the irradiation. These quantitative data represented by the behavior of mechanical properties might be used as basic informations for the design and analysis of various artificial joints.
Keywords
UHMWPE; Artificial joint liner; Gamma-ray irradiation; Crosslink; Heat treatment; Mechanical properties;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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