Archivio Istituzionale della RicercaIn the frame of Horizon 2020 European C3HARME research project, the manufacture of ZrB2-based CMCs was developed through different processes: slurry infiltration and sintering, radio frequency chemical vapour infiltration (RF-CVI) and reactive metal infiltration (RMI). To assess the high temperature stability, room temperature bending strength was measured after oxidizing the samples at 2278 K and compared to the strength of the as-produced materials. Microstructures were analysed before and after the thermal treatment to assess the damage induced by the high temperature oxidation. Short fibre-reinforced composites showed the highest retained strength (>80%) and an unchanged stress–strain curve.
Retained strength of UHTCMCs after oxidation at 2278 K / Galizia, P.; Vinci, A.; Zoli, L.; Monteverde, F.; Binner, J.; Venkatachalam, V.; Lagos, M. A.; Reimer, T.; Jain, N.; Sciti, D.. - In: COMPOSITES. PART A: APPLIED SCIENCE AND MANUFACTURING. - ISSN 1359-835X. - ELETTRONICO. - 149:(2021), p. 106523. [10.1016/j.compositesa.2021.106523]
Retained strength of UHTCMCs after oxidation at 2278 K
Galizia P.;
2021
Abstract
In the frame of Horizon 2020 European C3HARME research project, the manufacture of ZrB2-based CMCs was developed through different processes: slurry infiltration and sintering, radio frequency chemical vapour infiltration (RF-CVI) and reactive metal infiltration (RMI). To assess the high temperature stability, room temperature bending strength was measured after oxidizing the samples at 2278 K and compared to the strength of the as-produced materials. Microstructures were analysed before and after the thermal treatment to assess the damage induced by the high temperature oxidation. Short fibre-reinforced composites showed the highest retained strength (>80%) and an unchanged stress–strain curve.
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https://hdl.handle.net/11583/2948334