PSI - Issue 77

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Available online at www.sciencedirect.com Structural Integrity Procedia 00 (2026) 000–000 Available online at www.sciencedirect.com ScienceDirect Structural Integrity Procedia 00 (2026) 000–000 ScienceDirect

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Procedia Structural Integrity 77 (2026) 308–315

© 2026 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of ICSI organizers © 2026 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of ICSI organizers Abstract The advancement of aerospace, energy, and hypersonic technologies has amplified the need for fibre materials that maintain structural integrity under extreme thermal and oxidative conditions. Conventional high-performance fibres such as carbon and silicon carbide (SiC), while exhibiting excellent mechanical properties, suffer from oxidative degradation above 1300 °C, thereby limiting their applicability in demanding environments. To address this limitation, RWTH Aachen has developed MAXCarbon, a novel hybrid fibre designed to enhance oxidation and corrosion resistance. MAXCarbon is produced by transforming commercially available continuous carbon fibres into hybrid fibres via a tailored reactive synthesis process, which generates a protective ceramic MAX-pha se (Ti₃SiC₂) interface directly on the fibre surface. This process yields fibres with a carbon core and a Ti₃SiC₂ boundary layer, effectively combining the high tensile strength of carbon with the oxidation resistance of the MAX-phase. The resulting hybrid fibre offers promising potential for integration into advanced textile architectures and composite systems. Targeted applications include gas turbine components, thermal protection systems, high-temperature aerospace sensors, and electrochemical devices, where resistance to extreme thermal and oxidative environments is critical. The development of MAXCarbon not only represents a step forward in hybrid fibre technology but also contributes to strengthening European strategic autonomy in high performance material production. © 2026 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of ICSI organizers International Conference on Structural Integrity Development of MAXCarbon: Advancing Hybrid Fibre Solutions for High-Performance Applications Fabian Jung a , Niels Grigat a , Dr. Kumar Jois a , Marcus Welsh a , Ben Vollbrecht a International Conference on Structural Integrity Development of MAXCarbon: Advancing Hybrid Fibre Solutions for High-Performance Applications Fabian Jung a , Niels Grigat a , Dr. Kumar Jois a , Marcus Welsh a , Ben Vollbrecht a a RWTH Aachen University, Institute for textile technology, Otto-Blumenthal-Str. 1, 52074 Aachen, Germany Abstract The advancement of aerospace, energy, and hypersonic technologies has amplified the need for fibre materials that maintain structural integrity under extreme thermal and oxidative conditions. Conventional high-performance fibres such as carbon and silicon carbide (SiC), while exhibiting excellent mechanical properties, suffer from oxidative degradation above 1300 °C, thereby limiting their applicability in demanding environments. To address this limitation, RWTH Aachen has developed MAXCarbon, a novel hybrid fibre designed to enhance oxidation and corrosion resistance. MAXCarbon is produced by transforming commercially available continuous carbon fibres into hybrid fibres via a tailored reactive synthesis process, which generates a protective ceramic MAX-pha se (Ti₃SiC₂) interface directly on the fibre surface. This process yields fibres with a carbon core and a Ti₃SiC₂ boundary layer, effectively combining the high tensile strength of carbon with the oxidation resistance of the MAX-phase. The resulting hybrid fibre offers promising potential for integration into advanced textile architectures and composite systems. Targeted applications include gas turbine components, thermal protection systems, high-temperature aerospace sensors, and electrochemical devices, where resistance to extreme thermal and oxidative environments is critical. The development of MAXCarbon not only represents a step forward in hybrid fibre technology but also contributes to strengthening European strategic autonomy in high performance material production. a RWTH Aachen University, Institute for textile technology, Otto-Blumenthal-Str. 1, 52074 Aachen, Germany

Keywords: MAXCarbon; hybrid fibres; MAX- phase Ti₃SiC₂; high -temperature applications; oxidation resistance

2452-3216 © 2026 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of ICSI organizers 2452-3216 © 2026 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of ICSI organizers

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