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Effect of HA content on mechanical properties of hot drawn HA/UHMWPE nanocomposites for bone substitutes

Authors Fang, Liming HKUST affiliated (currently or previously)
Leng, Yang View this author's profile
Gao, Ping View this author's profile
Issue Date 2007
Source Key Engineering Materials , v. 334, 2007, p. 701-704
Summary Hydroxyapatite reinforced ultrahigh molecular weight polyethylene (HA/UHMWPE) nanocomposites with HA volume fraction 0.1-0.5 are processed by twin-screw extrusion compounding and compression molding followed by hot drawing. SEM micrographs show that HA nano-particles are homogeneously dispersed in the highly oriented UHMWPE inter-fibrils. Tensile tests show that the modulus increases, while the strength and ductility decrease, with the increase of HA content. A good combination of mechanical properties can be obtained in the composite with HA nano-particles volume fraction 0.3.
ISSN 1013-9826
ISBN 978-0-87849-427-9
Language English
Format Conference paper
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