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Fine lattice structures fabricated by extrusion freeforming: Process variables

Lu, XS; Lee, Y; Yang, SF; Hao, Y; Evans, JRG; Parini, CG; (2009) Fine lattice structures fabricated by extrusion freeforming: Process variables. J MATER PROCESS TECH , 209 (10) 4654 - 4661. 10.1016/j.jmatprotec.2008.11.039.

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Abstract

This paper describes the main factors affecting the rapid prototyping of fine lattices by extrusion freeforming of powder, notably equipment accuracy, paste preparation, extrusion and post-processing and their effects on filament deposition and the defects that might be caused. Effective methods were devised in order to reduce the incidence of these defects. The results provide guidance for fabrication of very fine lattices from powder extrusion (comprising <100 mu m diameter filaments) and improvement of sample quality. (C) 2008 Elsevier B.V. All rights reserved.

Type:Article
Title:Fine lattice structures fabricated by extrusion freeforming: Process variables
DOI:10.1016/j.jmatprotec.2008.11.039
Keywords:Extrusion freeforming, Paste, Lattice, Defects, PERIODIC STRUCTURES, PASTE, CERAMICS, TOOLPATH, POWDER, SILVER, SWELL
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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