5. Conclusions
The successful commercialization of ceramic matrix composites requires a cost-effective production process that is amenable to the full range of shapes and sizes required for aerospace, automotive, and industrial power applications. Polymer derived ceramic technology offers a production route that combines low temperature polymer formability of polymer with the high temperature durability of ceramics. Blackglas polymer technology from Honeywell was combined with boron nitride coated Nextel 312 fabric from 3M to produce a 2-D laminated ceramic matrix composite systems with low-cost starting materials and a flexible polymer-based fabrication route. The SiOC Nextel 312 BN 2-D composites were characterized for mechanical strength, thermal properties, dielectric performance, and oxidation and corrosion resistance at temperatures of 500°–700°C out to 4000 hours. The SiOC Nextel 312 BN system showed moderate strength with fibrous fracture and 600°C 1000 hour mechanical durability. The composite system was successfully tested as a tail cone prototype in a jet engine test for over 1500 hours of cycle time. The CMC system has potential applications in secondary structural components that require 600°C durability.
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Gonczy, S.T., Sikonia, J.G. (2005). Nextel™ 312/Silicon Oxycarbide Ceramic Composites. In: Bansal, N.P. (eds) Handbook of Ceramic Composites. Springer, Boston, MA . https://doi.org/10.1007/0-387-23986-3_15
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