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<p>A workshop on high-temperature materials for hypersonic vehicles was held at the 3rd International Conference on High-Speed Vehicle Science and Technology in Busan, South Korea, April 14–19, 2024. The objective of the workshop was to generate recommendations for technology development that would lead to further use of high-temperature materials on hypersonic vehicles. While a variety of high-temperature material systems were referenced and discussed, ceramic matrix composites (CMCs) were highlighted as being of particular importance, and maturing CMCs was the primary focus of the workshop. Utilizing CMC hot structures for re-entry and hypersonic vehicles can reduce weight and increase performance. CMC hot structures nominally provide a 25% weight saving over insulated cold structures. However, there are still improvements to be made in the manufacturing and characterization of CMCs prior to them becoming state-of-the-art for hot structures on hypersonic vehicles. The successful use of hot structures can be expanded by: (a) following four gates of CMC maturation, (b) establishing updated material-testing standards and (c) adopting a damage-tolerant design approach.</p>

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Recommendations from the high-temperature materials workshop held at the 3rd International Conference on High-Speed Vehicle Science and Technology (HiSST)

  • 期刊论文

  • 发表日期：

    2025年4月11日

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  • Bryan Kubitschek,
  • Chris Kostyk,
  • Roberto Gardi

摘要

A workshop on high-temperature materials for hypersonic vehicles was held at the 3rd International Conference on High-Speed Vehicle Science and Technology in Busan, South Korea, April 14–19, 2024. The objective of the workshop was to generate recommendations for technology development that would lead to further use of high-temperature materials on hypersonic vehicles. While a variety of high-temperature material systems were referenced and discussed, ceramic matrix composites (CMCs) were highlighted as being of particular importance, and maturing CMCs was the primary focus of the workshop. Utilizing CMC hot structures for re-entry and hypersonic vehicles can reduce weight and increase performance. CMC hot structures nominally provide a 25% weight saving over insulated cold structures. However, there are still improvements to be made in the manufacturing and characterization of CMCs prior to them becoming state-of-the-art for hot structures on hypersonic vehicles. The successful use of hot structures can be expanded by: (a) following four gates of CMC maturation, (b) establishing updated material-testing standards and (c) adopting a damage-tolerant design approach.