Thermal properties and performance of carbon fiber-based ultra-high temperature ceramic matrix composites (Cf-UHTCMCs)

Virtudes Rubio; Prabhu Ramanujam; Sylvain Cousinet; Giles LePage; Terry Ackerman; Azad Hussain; Peter Brown; Isabelle Dautremonte; Jon Binner

doi:10.1111/jace.17043

Thermal properties and performance of carbon fiber-based ultra-high temperature ceramic matrix composites (C_f-UHTCMCs)

Virtudes Rubio^*, Prabhu Ramanujam, Sylvain Cousinet, Giles LePage, Terry Ackerman, Azad Hussain, Peter Brown, Isabelle Dautremonte, Jon Binner

^*Corresponding author for this work

Metallurgy and Materials

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

The thermophysical properties of carbon fiber-based ultra-high temperature ceramic matrix composites have been determined to aid designers who need these properties when considering using the composites in ultra-high temperature aerospace applications. The coefficient of thermal expansion (CTE) and thermal diffusivity of the composites were measured parallel and perpendicular to the ply direction; the thermal conductivity was measured using the laser-flash method and the heat capacity calculated from the relationship between the thermal diffusivity, density, and thermal conductivity. Both the CTE and thermal conductivity showed higher values across the ply and increased with increasing temperature as expected, whilst the thermal diffusivity showed higher values parallel to the ply and increased smoothly with temperature. In addition, two different but related oxyfuel torch tests, based on oxyacetylene and oxypropane, were used to evaluate the thermo-ablation behavior of the composites. The tests showed how good the composites were at withstanding the ultra-high temperatures, high heat fluxes, and gas velocities involved.

Original language	English
Pages (from-to)	3788-3796
Number of pages	9
Journal	Journal of the American Ceramic Society
Volume	103
Issue number	6
DOIs	https://doi.org/10.1111/jace.17043
Publication status	Published - 1 Jun 2020

Bibliographical note

Funding Information:
The authors thank the DSTL (UK), DGA (France), and MBDA for providing financial and technical support for this work under the Anglo-French framework MCMITP, contract 4700003222. The authors also acknowledge the support and technical advice provided by Professor Peter Brown, DSTL, and Dr Isabelle Dautremont, DGA, and the contribution made by Ms Lorna Cormack and Dr Laura Larrimbe.

Funding Information:
The authors thank the DSTL (UK), DGA (France), and MBDA for providing financial and technical support for this work under the Anglo‐French framework MCMITP, contract 4700003222. The authors also acknowledge the support and technical advice provided by Professor Peter Brown, DSTL, and Dr Isabelle Dautremont, DGA, and the contribution made by Ms Lorna Cormack and Dr Laura Larrimbe.

Publisher Copyright:
© 2020 The American Ceramic Society

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

ceramic matrix composites
oxidation resistance
thermal properties
ultra-high temperature ceramics

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

Access to Document

10.1111/jace.17043

Cite this

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title = "Thermal properties and performance of carbon fiber-based ultra-high temperature ceramic matrix composites (Cf-UHTCMCs)",

abstract = "The thermophysical properties of carbon fiber-based ultra-high temperature ceramic matrix composites have been determined to aid designers who need these properties when considering using the composites in ultra-high temperature aerospace applications. The coefficient of thermal expansion (CTE) and thermal diffusivity of the composites were measured parallel and perpendicular to the ply direction; the thermal conductivity was measured using the laser-flash method and the heat capacity calculated from the relationship between the thermal diffusivity, density, and thermal conductivity. Both the CTE and thermal conductivity showed higher values across the ply and increased with increasing temperature as expected, whilst the thermal diffusivity showed higher values parallel to the ply and increased smoothly with temperature. In addition, two different but related oxyfuel torch tests, based on oxyacetylene and oxypropane, were used to evaluate the thermo-ablation behavior of the composites. The tests showed how good the composites were at withstanding the ultra-high temperatures, high heat fluxes, and gas velocities involved.",

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author = "Virtudes Rubio and Prabhu Ramanujam and Sylvain Cousinet and Giles LePage and Terry Ackerman and Azad Hussain and Peter Brown and Isabelle Dautremonte and Jon Binner",

note = "Funding Information: The authors thank the DSTL (UK), DGA (France), and MBDA for providing financial and technical support for this work under the Anglo-French framework MCMITP, contract 4700003222. The authors also acknowledge the support and technical advice provided by Professor Peter Brown, DSTL, and Dr Isabelle Dautremont, DGA, and the contribution made by Ms Lorna Cormack and Dr Laura Larrimbe. Funding Information: The authors thank the DSTL (UK), DGA (France), and MBDA for providing financial and technical support for this work under the Anglo‐French framework MCMITP, contract 4700003222. The authors also acknowledge the support and technical advice provided by Professor Peter Brown, DSTL, and Dr Isabelle Dautremont, DGA, and the contribution made by Ms Lorna Cormack and Dr Laura Larrimbe. Publisher Copyright: {\textcopyright} 2020 The American Ceramic Society Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

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AU - Brown, Peter

AU - Dautremonte, Isabelle

AU - Binner, Jon

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N2 - The thermophysical properties of carbon fiber-based ultra-high temperature ceramic matrix composites have been determined to aid designers who need these properties when considering using the composites in ultra-high temperature aerospace applications. The coefficient of thermal expansion (CTE) and thermal diffusivity of the composites were measured parallel and perpendicular to the ply direction; the thermal conductivity was measured using the laser-flash method and the heat capacity calculated from the relationship between the thermal diffusivity, density, and thermal conductivity. Both the CTE and thermal conductivity showed higher values across the ply and increased with increasing temperature as expected, whilst the thermal diffusivity showed higher values parallel to the ply and increased smoothly with temperature. In addition, two different but related oxyfuel torch tests, based on oxyacetylene and oxypropane, were used to evaluate the thermo-ablation behavior of the composites. The tests showed how good the composites were at withstanding the ultra-high temperatures, high heat fluxes, and gas velocities involved.

AB - The thermophysical properties of carbon fiber-based ultra-high temperature ceramic matrix composites have been determined to aid designers who need these properties when considering using the composites in ultra-high temperature aerospace applications. The coefficient of thermal expansion (CTE) and thermal diffusivity of the composites were measured parallel and perpendicular to the ply direction; the thermal conductivity was measured using the laser-flash method and the heat capacity calculated from the relationship between the thermal diffusivity, density, and thermal conductivity. Both the CTE and thermal conductivity showed higher values across the ply and increased with increasing temperature as expected, whilst the thermal diffusivity showed higher values parallel to the ply and increased smoothly with temperature. In addition, two different but related oxyfuel torch tests, based on oxyacetylene and oxypropane, were used to evaluate the thermo-ablation behavior of the composites. The tests showed how good the composites were at withstanding the ultra-high temperatures, high heat fluxes, and gas velocities involved.

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