Fine ceramic lattices prepared by extrusion freeforming
Yang, Hongyi, Yang, Shoufeng, Chi, Xiaopeng and Evans, Julian R. G. (2006) Fine ceramic lattices prepared by extrusion freeforming. Journal of Biomedical Materials Research Part B: Applied Biomaterials, 79B, (1), 116-121. (doi:10.1002/jbm.b.30520). (PMID:16615069).
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Fine ceramic lattices with spatial resolution <100 μm and having precise dimensions and intricate hierarchical structure are fabricated by extrusion freeforming, a rapid prototyping technique, which allows overall shape and structure to be controlled by computer. The procedure can be used for any fine ceramic powder and can therefore find applications as diverse as microwave and terahertz metamaterials (artificial crystals), hard tissue scaffolds, microfluidic devices, and metal matrix composite preforms. The examples presented here are calcium phosphate lattices with three structure levels: submicron pores, which enhance cell-surface interactions, pores of tens of microns to encourage bone ingrowth, and corridors (hundreds of microns) for vascularization. With controlled pore structures on these scales, the lattices are expected to provide customized biological, mechanical, and geometrical requirements
|Keywords:||hydroxyapatite, osteogenesis, porous scaffolds, rapid prototyping|
|Subjects:||Q Science > Q Science (General)|
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
|Date Deposited:||08 Oct 2010 09:29|
|Last Modified:||01 Jun 2011 15:30|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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