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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Bibliographic Details
Published in:Journal of the American Ceramic Society 1996-10, Vol.79 (10), p.2601-2608
Main Authors: Griffith, Michelle L., Halloran, John W.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
General studies
Technical ceramics
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Summary: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