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<p>A workshop on Ceramic Matrix Composites for applications (CMCs) in the 800–1300&#xa0;°C temperature range was held at the 4th International Conference on High-Speed Vehicle Science and Technology in Tours, France September 22–26, 2025. The aim of the workshop was to generate recommendations for the technology development of such materials for aerospace applications. The comparison with traditional carbon and silicon carbide-based CMCs was made, establishing that they offer a key option in the search of optimized designs, especially regarding cost. These CMCs exhibit damage behavior. Taking this behavior into account offers an opportunity to reduce design margins but also to complexify the building of material databases and mechanical models. Two strategies have been adopted to demonstrate CMC technologies. The first is establishing a materials database with damage-tolerance properties before manufacturing complex components. The second is to crash-test the flight components to directly assess the component’s viability. Both have advantages and drawbacks regarding the cost and time scale of the development. Getting the design offices aware of the opportunities and specificities of these materials is key to developing viable designs. It requires setting in place dedicated training. </p>

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Recommendations from the intermediate temperature ceramic matrix composites workshop held at the 4th International Conference on High-Speed Vehicle Science and Technology

  • 期刊论文

  • 发表日期：

    2026年5月11日

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  • Guillaume Fischer,
  • Bryan Kubitschek,
  • Stephan Schmidt-Wimmer,
  • Guillaume Jandin,
  • Michael Smart,
  • Antoine Débarre

摘要

A workshop on Ceramic Matrix Composites for applications (CMCs) in the 800–1300 °C temperature range was held at the 4th International Conference on High-Speed Vehicle Science and Technology in Tours, France September 22–26, 2025. The aim of the workshop was to generate recommendations for the technology development of such materials for aerospace applications. The comparison with traditional carbon and silicon carbide-based CMCs was made, establishing that they offer a key option in the search of optimized designs, especially regarding cost. These CMCs exhibit damage behavior. Taking this behavior into account offers an opportunity to reduce design margins but also to complexify the building of material databases and mechanical models. Two strategies have been adopted to demonstrate CMC technologies. The first is establishing a materials database with damage-tolerance properties before manufacturing complex components. The second is to crash-test the flight components to directly assess the component’s viability. Both have advantages and drawbacks regarding the cost and time scale of the development. Getting the design offices aware of the opportunities and specificities of these materials is key to developing viable designs. It requires setting in place dedicated training.