Freeform Fabrication of Ceramics via Stereolithography

Freeform Fabrication of Ceramics via Stereolithography

Ceramic green bodies can be created using stereolithography methods where a ceramic suspension consisting of 0.40–0.55 volume fraction ceramic powder is dispersed within an ultraviolet‐curable solution. Three ceramic materials were investigated: silica for investment casting purposes, and alumina an...

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Veröffentlicht in:Journal of the American Ceramic Society 1996-10, Vol.79 (10), p.2601-2608
Hauptverfasser: Griffith, Michelle L., Halloran, John W.
Format: Artikel
Sprache:eng
Schlagworte:
ALUMINIUM OXIDES
Applied sciences
BINDERS
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
FABRICATION
General studies
LAYERS
LIQUIDS
MATERIALS SCIENCE
MONOMERS
POWDERS
SHAPE
SILICON NITRIDES
SILICON OXIDES
SINTERING
SUSPENSIONS
Technical ceramics
ULTRAVIOLET RADIATION
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Beschreibung
Zusammenfassung:Ceramic green bodies can be created using stereolithography methods where a ceramic suspension consisting of 0.40–0.55 volume fraction ceramic powder is dispersed within an ultraviolet‐curable solution. Three ceramic materials were investigated: silica for investment casting purposes, and alumina and silicon nitride for structural parts. After mixing the powders in the curable solution, the ceramic suspension is photocured, layer by layer, fabricating a three‐dimensional ceramic green body. Subsequent binder removal results in a sintered ceramic part. Three‐dimensional objects have been fabricated from a 0.50 volume fraction silica suspension.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1996.tb09022.x