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Title: Rapid manufacturing of bioceramic/polymer composite implants by selective laser sintering
Authors: Hao, L.
Savalani, M.M.
Zhang, Y.
Tanner, K.E.
Harris, Russell A.
Issue Date: 2009
Publisher: © Inderscience Publishers
Citation: HAO, L. ... et al., 2009. Rapid manufacturing of bioceramic/polymer composite implants by selective laser sintering. International Journal of Computer Applications in Technology, 36(1), pp. 25-31.
Abstract: Selective laser sintering (SLS), which is a additive rapid manufacturing technique, it is capable of producing the required product directly and automatically from a 3D computer model representation, have been selected to build implant and scaffold structures using composite materials consisting of a polymer and a bioactive ceramic. Hydroxyapatite (HA), a bioceramic that encourages bone apposition, can be combined with high density polyethylene (HDPE), a biocompatible polymer, to form a material with appropriate stiffness, toughness and bioactivity for use in the body. A miniature SLS system was built to minimize the usage of the expensive experimental material. It was used to determine the CO2 laser sintering operation window of the HA/HDPE composites and to investigate the effect of the process parameters on the surface morphology of the sintered HA/HDPE layer. The potential of SLS for the rapid manufacture of customised implants using HA/HDPE composite is demonstrated by the sintering of a 5-layer HA-HDPE block.
Description: This article was published in the journal, International Journal of Computer Applications in Technology [© Inderscience]. The definitive version is available at: http://dx.doi.org/10.1504/IJCAT.2009.026667
Version: Accepted for publication
DOI: 10.1504/IJCAT.2009.026667
URI: https://dspace.lboro.ac.uk/2134/5003
ISSN: 0952-8091
Appears in Collections:Published Articles (Mechanical and Manufacturing Engineering)

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