As part of ongoing research in the UK, TISICS have developed an improved 140 µm carbon coated silicon carbide monofilament for the reinforcement of metal matrix composites. The monofilament is fabricated in a single reactor using a high speed chemical vapor deposition process at a rate of 8 m/min (26 ft/min). Statistical analysis of monofilament properties over two years of production has demonstrated excellent reproducibility of the process. The monofilaments have an average tensile strength of 4.0 ± 0.2 GPa with a Weibull modulus of 50 ± 10. Composites incorporating the monofilaments show similar low variability in yield and tensile strength with the latter exhibiting a mean value above 90% of the maximum theoretical strength predicted by the rule of mixtures. By varying the volume fraction and orientation of the monofilament reinforcement, composite properties can be tailored to fit design requirements. Examples are given of demonstrator components made for the European aerospace sector.
CITATION STYLE
Rix, M. V., Baker, M., Whiting, M. J., Durman, R. P., & Shatwell, R. A. (2017). An improved silicon carbide monofilament for the reinforcement of metal matrix composites. In Minerals, Metals and Materials Series (pp. 317–324). Springer International Publishing. https://doi.org/10.1007/978-3-319-52132-9_31
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