In the frame of Horizon 2020 European CHARME research project, the manufacture of ZrB-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 PPrimo
Writing – Original Draft Preparation
;Vinci A
Secondo
Writing – Review & Editing
;Zoli LWriting – Review & Editing
;Monteverde FWriting – Review & Editing
;Sciti DUltimo
Writing – Review & Editing
2021
Abstract
In the frame of Horizon 2020 European CHARME research project, the manufacture of ZrB-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.| File | Dimensione | Formato | |
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