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Direct Ink-Jet Deposition of Ceramic Green Bodies: I - Formulation of Build Materials

Published online by Cambridge University Press:  10 February 2011

K. A. M. Seerden ,
N. Reis ,
B. Derby ,
P. S. Grant ,
J. W. Halloran  and
J. R. G. Evans
K. A. M. Seerden
Affiliation:
Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, UK;
N. Reis
Affiliation:
Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, UK; Now at: Manchester Materials Science Centre, Grosvenor St., Manchester, Ml 7HS, UK.
B. Derby
Affiliation:
Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, UK; Now at: Manchester Materials Science Centre, Grosvenor St., Manchester, Ml 7HS, UK.
P. S. Grant
Affiliation:
Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, UK;
J. W. Halloran
Affiliation:
Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI 48109-2136, USA;
J. R. G. Evans
Affiliation:
Department of Materials, Queen Mary and Westfield College, London, El 4NS, UK;
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Abstract

A conventional rapid prototyping technology has been used to build prototypes using direct deposition through a drop-on-demand ink-jet printing system. Al2O3 - filled waxes have been developed with viscosity values close to those of the materials used in commercial printing systems. Commercial dispersants based on stearic acid and sterylamine have been studied and stable ceramic suspensions with ceramic volume fractions in the range 20–40 volume% produced with suitable viscosity. A suspension of 20% Al2O3 in an alkane wax has been successfully printed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 542: Symposium V – Solid Freeform and Additive Fabrication , 1998 , 141
Copyright
Copyright © Materials Research Society 1999

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