Innovative procedure for 3D printing of hybrid silicon carbide/carbon fiber nanocomposites

Abstract A novel route to fabricating hybrid ceramic matrix composites has been developed. The fabrication is based on the unique combination of additive manufacturing (AM), a preceramic polymer, and a chopped carbon fiber precursor. After introducing the photoinitiator to the preceramic polymer for...

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Autores principales:	Saja M. Nabat Al‐Ajrash, Charles Browning, Rose Eckerle, Li Cao
Formato:	article
Lenguaje:	EN
Publicado:	Wiley-VCH 2021
Materias:	additive manufacturing composite materials microstructural characterization preceramic polymer silicon carbide Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/f291bfcea56949a78afaa6a06544c87c
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spelling	oai:doaj.org-article:f291bfcea56949a78afaa6a06544c87c2021-11-10T13:30:46ZInnovative procedure for 3D printing of hybrid silicon carbide/carbon fiber nanocomposites2688-401110.1002/nano.202100011https://doaj.org/article/f291bfcea56949a78afaa6a06544c87c2021-11-01T00:00:00Zhttps://doi.org/10.1002/nano.202100011https://doaj.org/toc/2688-4011Abstract A novel route to fabricating hybrid ceramic matrix composites has been developed. The fabrication is based on the unique combination of additive manufacturing (AM), a preceramic polymer, and a chopped carbon fiber precursor. After introducing the photoinitiator to the preceramic polymer formulation, a photosensitive resin was introduced. The resulting resin was loaded with distinct weight percentages of stabilized polyacrylonitrile nanofiber—the carbon fiber precursor. These formulations were 3D printed, cured, and converted to ceramic phases using a pyrolysis cycle. The end objective of the pyrolysis cycle is the conversion of the polycarbosilane resin into a silicon carbide matrix and the transformation of the PAN polymer into reinforcing carbon nanofibers within one cycle. The results of this work showed that ceramic matrix composite components can be successfully fabricated using a suitable combination of 3D printing, resin formulation, and processing cycle. The pyrolyzed ceramic hybrid composite was fully dense with nearly linear shrinkage and a shiny, smooth surface. Approximately 60% retained weight after pyrolysis to 1350°C was confirmed by thermogravimetric analysis. In terms of crystallography, the ceramic matrix composite displayed three coexisting phases including silicon carbide, silicon oxycarbide, and turbostratic carbon. The results showed this combination of material and processes has a high potential for fabricating hybrid composites with high‐temperature performance and improved mechanical properties combined with complex geometries.Saja M. Nabat Al‐AjrashCharles BrowningRose EckerleLi CaoWiley-VCHarticleadditive manufacturingcomposite materialsmicrostructural characterizationpreceramic polymersilicon carbideMaterials of engineering and construction. Mechanics of materialsTA401-492ENNano Select, Vol 2, Iss 11, Pp 2201-2208 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	additive manufacturing composite materials microstructural characterization preceramic polymer silicon carbide Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	additive manufacturing composite materials microstructural characterization preceramic polymer silicon carbide Materials of engineering and construction. Mechanics of materials TA401-492 Saja M. Nabat Al‐Ajrash Charles Browning Rose Eckerle Li Cao Innovative procedure for 3D printing of hybrid silicon carbide/carbon fiber nanocomposites
description	Abstract A novel route to fabricating hybrid ceramic matrix composites has been developed. The fabrication is based on the unique combination of additive manufacturing (AM), a preceramic polymer, and a chopped carbon fiber precursor. After introducing the photoinitiator to the preceramic polymer formulation, a photosensitive resin was introduced. The resulting resin was loaded with distinct weight percentages of stabilized polyacrylonitrile nanofiber—the carbon fiber precursor. These formulations were 3D printed, cured, and converted to ceramic phases using a pyrolysis cycle. The end objective of the pyrolysis cycle is the conversion of the polycarbosilane resin into a silicon carbide matrix and the transformation of the PAN polymer into reinforcing carbon nanofibers within one cycle. The results of this work showed that ceramic matrix composite components can be successfully fabricated using a suitable combination of 3D printing, resin formulation, and processing cycle. The pyrolyzed ceramic hybrid composite was fully dense with nearly linear shrinkage and a shiny, smooth surface. Approximately 60% retained weight after pyrolysis to 1350°C was confirmed by thermogravimetric analysis. In terms of crystallography, the ceramic matrix composite displayed three coexisting phases including silicon carbide, silicon oxycarbide, and turbostratic carbon. The results showed this combination of material and processes has a high potential for fabricating hybrid composites with high‐temperature performance and improved mechanical properties combined with complex geometries.
format	article
author	Saja M. Nabat Al‐Ajrash Charles Browning Rose Eckerle Li Cao
author_facet	Saja M. Nabat Al‐Ajrash Charles Browning Rose Eckerle Li Cao
author_sort	Saja M. Nabat Al‐Ajrash
title	Innovative procedure for 3D printing of hybrid silicon carbide/carbon fiber nanocomposites
title_short	Innovative procedure for 3D printing of hybrid silicon carbide/carbon fiber nanocomposites
title_full	Innovative procedure for 3D printing of hybrid silicon carbide/carbon fiber nanocomposites
title_fullStr	Innovative procedure for 3D printing of hybrid silicon carbide/carbon fiber nanocomposites
title_full_unstemmed	Innovative procedure for 3D printing of hybrid silicon carbide/carbon fiber nanocomposites
title_sort	innovative procedure for 3d printing of hybrid silicon carbide/carbon fiber nanocomposites
publisher	Wiley-VCH
publishDate	2021
url	https://doaj.org/article/f291bfcea56949a78afaa6a06544c87c
work_keys_str_mv	AT sajamnabatalajrash innovativeprocedurefor3dprintingofhybridsiliconcarbidecarbonfibernanocomposites AT charlesbrowning innovativeprocedurefor3dprintingofhybridsiliconcarbidecarbonfibernanocomposites AT roseeckerle innovativeprocedurefor3dprintingofhybridsiliconcarbidecarbonfibernanocomposites AT licao innovativeprocedurefor3dprintingofhybridsiliconcarbidecarbonfibernanocomposites
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Innovative procedure for 3D printing of hybrid silicon carbide/carbon fiber nanocomposites

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