By National Research Council, Division on Engineering and Physical Sciences, National Materials Advisory Board, Commission on Engineering and Technical Systems, Committee on Advanced Fibers for High-Temperature Ceramic Composites
High-temperature ceramic fibers are the most important elements of ceramic matrix composites (CMCs). Ceramic fiber houses (strength, temperature and creep resistance, for example)-along with the debonding features in their coatings-determine the houses of CMCs. This record outlines the state-of-the-art in high-temperature ceramic fibers and coatings, assesses fibers and coatings by way of destiny wishes, and recommends promising avenues of analysis. CMCs also are mentioned during this report back to supply a context for discussing high-temperature ceramic fibers and coatings.
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Extra resources for Advanced Fibers for High-Temperature Ceramic Composites: Advanced Materials for the Twenty-First Century
Source: 3M Company The implementation of CMCs in spacecraft and uninhabited vehicles is attractive because material life requirements are much less demanding than the requirements for aircraft and industrial applications (Table 2-4). Because the operating environment in space is often non-oxidizing, life limiting oxidative embrittlement of non-oxide ceramics will not occur. Consequently, materials based on SiC and C are viable choices and have already been well established from the perspectives of performance and manufacturing characteristics.
Textron's SCS-6 SiC fiber was included in Table 3-1 primarily because it has excellent room-temperature strength and creep-rupture resistance. It is currently made in monofilament form, but multifilament tow fabrication is being researched. 004 mils]) microstructure and its single-phase stoichiometric β-SiC composition. An amorphous Si-B-N-C fiber produced by novel polymer precursor technology is currently being developed by Bayer HG in Germany. This fiber has high room-temperature strength and stiffness and is reported to have remarkable strength retention and creep resistance at elevated temperatures.
Temperature of SiC-based fibers and oxide fibers. , 1989. 375 GHZ — — Comments About this PDF file: This new digital representation of the original work has been recomposed from XML files created from the original paper book, not from the original typesetting files. Page breaks are true to the original; line lengths, word breaks, heading styles, and other typesetting-specific formatting, however, cannot be retained, and some typographic errors may have been accidentally inserted. Please use the print version of this publication as the authoritative version for attribution.