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Characterization and application of a novel low viscosity polysilazane for the manufacture of C- and SiC-fiber reinforced SiCN ceramic matrix composites by PIP process

Mainzer, Bernd and Lin, Chaorong and Jemmali, Raouf and Frieß, Martin and Riedel, Ralf and Koch, Dietmar (2018) Characterization and application of a novel low viscosity polysilazane for the manufacture of C- and SiC-fiber reinforced SiCN ceramic matrix composites by PIP process. Journal of the European Ceramic Society, 39 (2-3), pp. 212-221. Elsevier. DOI: 10.1016/j.jeurceramsoc.2018.09.042 ISSN 0955-2219

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Official URL: http://dx.doi.org/10.1016/j.jeurceramsoc.2018.09.042

Abstract

Four unidirectional fber reinforced SiCN ceramic matrix composites were manufactured by means of polymer infltration and pyrolysis. Two carbon fbers (T800H and Granoc XN90) as well as two silicon carbide fbers (Tyranno ZMI and SA3) without fber coating were chosen. As matrix precursor, a poly(methylvinyl)silazane was investigated and utilized. The composites with the SA3 and the XN90 fber had the highest tensile strengths of 478 and 288 MPa, respectively. It is considered that these high modulus fbers with the low modulus SiCN matrix create weak matrix composites. After exposure to air (T = 1200 °C, 10 h), a signifcant decrease of the mechanical properties was found, caused by the burnout of carbon fbers and the oxidation through open pores stemming from the PIP process and SiCN/SiCN interfaces in case of the SiC fber based composites.

Item URL in elib:https://elib.dlr.de/125560/
Document Type:Article
Title:Characterization and application of a novel low viscosity polysilazane for the manufacture of C- and SiC-fiber reinforced SiCN ceramic matrix composites by PIP process
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Mainzer, BerndUNSPECIFIEDUNSPECIFIED
Lin, ChaorongUNSPECIFIEDUNSPECIFIED
Jemmali, RaoufUNSPECIFIEDUNSPECIFIED
Frieß, MartinUNSPECIFIEDUNSPECIFIED
Riedel, RalfUNSPECIFIEDUNSPECIFIED
Koch, DietmarUNSPECIFIEDUNSPECIFIED
Date:2018
Journal or Publication Title:Journal of the European Ceramic Society
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:39
DOI :10.1016/j.jeurceramsoc.2018.09.042
Page Range:pp. 212-221
Publisher:Elsevier
ISSN:0955-2219
Status:Published
Keywords:SiC/SiCN C/SiCN Polysilazane PIP Interface
HGF - Research field:Energy
HGF - Program:Energy Efficiency, Materials and Resources
HGF - Program Themes:Methods and Concepts for Materials Development
DLR - Research area:Energy
DLR - Program:E VS - Combustion Systems
DLR - Research theme (Project):E - Materials for Energy Technologies
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Friess, Dr.rer.nat. Martin
Deposited On:05 Jan 2019 12:49
Last Modified:31 Jul 2019 20:23

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