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Rapid manufacturing of bioceramic/polymer composite implants by selective laser sintering

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journal contribution
posted on 2009-07-17, 16:12 authored by L. Hao, M.M. Savalani, Y. Zhang, K.E. Tanner, Russell A. Harris
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.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

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.

Publisher

© Inderscience Publishers

Version

  • AM (Accepted Manuscript)

Publication date

2009

Notes

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

ISSN

0952-8091

Language

  • en

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