期刊
CORROSION SCIENCE
卷 195, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2021.109955
关键词
UHTCMC; Composites; Ablation; Reusability; TPS
资金
- European Union [685594]
Qualification and reusability campaigns were conducted on ultra-high temperature ceramic matrix composites to evaluate their performance as thermal protection systems. The new composites showed increased erosion resistance and preserved structural stability even under high thermal loads.
Qualification and reusability campaigns were performed on ultra-high temperature ceramic matrix composites (UHTCMCs) made of a ZrB2-SiC matrix with short/long carbon fibre to assess their performance as thermal protection systems. Heat fluxes and stagnation pressures were set following those of reference re-entry missions. An interdisciplinary analysis followed by combining infrared measurements of the thermal response, estimation of surface properties and microstructural characterization. Compared to conventional C/SiC composites, the increased erosion resistance of the new UHTCMCs was assessed in ultra-hot regime: although these experienced much higher thermal loads, they underwent minimal erosion and preserved their structural stability even after multiple exposures.
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