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SiOC ceramics with ordered porosity by 3 D-printing of a preceramic polymer

  • Ceramic parts possessing an ordered porosity were produced for the first time by powder-based three-dimensional printing of a preceramic polymer followed by pyrolysis in an inert atmosphere. The main parameters involved in the process were investigated, and the precision of the printed and ceramized parts was assessed by means of scanning electron microscopy and micro computed tomography. The influence of two different printing solvents was investigated and the use of a mixture of 1-hexanol and hexylacetate in particular allowed the production of parts with a relative density of 80% both in the polymeric and in the ceramic state. The mixing of a cross-linking catalyst directly with the printing liquid greatly simplified the process, minimizing the necessity of preprocessing the starting powder. Three-dimensional printing of a preceramic polymer not containing any inert or active fillers was proved to be a feasible, convenient and precise process for the production of porous ceramicCeramic parts possessing an ordered porosity were produced for the first time by powder-based three-dimensional printing of a preceramic polymer followed by pyrolysis in an inert atmosphere. The main parameters involved in the process were investigated, and the precision of the printed and ceramized parts was assessed by means of scanning electron microscopy and micro computed tomography. The influence of two different printing solvents was investigated and the use of a mixture of 1-hexanol and hexylacetate in particular allowed the production of parts with a relative density of 80% both in the polymeric and in the ceramic state. The mixing of a cross-linking catalyst directly with the printing liquid greatly simplified the process, minimizing the necessity of preprocessing the starting powder. Three-dimensional printing of a preceramic polymer not containing any inert or active fillers was proved to be a feasible, convenient and precise process for the production of porous ceramic possessing a complex, ordered structure, such as stretch-dominated lattices.zeige mehrzeige weniger

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Metadaten
Autor*innen:Andrea ZoccaORCiD, Cynthia Wirth, Andreas Staude, E. Bernardo, Jens GünsterORCiD, P. Colombo
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Journal of materials research
Jahr der Erstveröffentlichung:2013
Verlag:Materials Research Society
Verlagsort:Warrendale, Pa.
Jahrgang/Band:28
Ausgabe/Heft:17
Erste Seite:2243
Letzte Seite:2252
Freie Schlagwörter:Cellular; Ceramic; Polymer
DOI:10.1557/jmr.2013.129
ISSN:0884-2914
Bemerkung:
Geburtsname von Wirth, Cynthia: Gomes, C. M. -  Birth name of Wirth, Cynthia: Gomes, C. M.
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:07.11.2013
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