Influence of Residual Monomer on Cracking in Ceramics Fabricated by Stereolithography

Influence of Residual Monomer on Cracking in Ceramics Fabricated by Stereolithography

The conventional build methods for polymeric stereolithography intentionally leave small regions of uncured monomer. We show that for ceramic stereolithography, these regions of uncured monomer are associated with macrocracking during heating. The cracking is caused by strains arising from the therm...

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Veröffentlicht in:International journal of applied ceramic technology 2011-11, Vol.8 (6), p.1289-1295
Hauptverfasser: Bae, Chang-Jun, Halloran, John W.
Format: Artikel
Sprache:eng
Schlagworte:
Ceramics
Construction
Fracture mechanics
Heating
Leaves
Monomers
Polymerization
Stereolithography
Strain
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Zusammenfassung:The conventional build methods for polymeric stereolithography intentionally leave small regions of uncured monomer. We show that for ceramic stereolithography, these regions of uncured monomer are associated with macrocracking during heating. The cracking is caused by strains arising from the thermal polymerization of residual monomer while heating. Cracking can be avoided by changing the build style to eliminate the residual monomer.
ISSN:1546-542X
1744-7402
DOI:10.1111/j.1744-7402.2010.02578.x