Retained strength of UHTCMCs after oxidation at 2278 K

Pietro Galizia, Antonio Vinci, Luca Zoli, Frederic Monteverde, Jon Binner, Vinothini Venkatachalam, Miguel A. Lagos, Thomas Reimer, Neraj Jain, Diletta Sciti

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

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.

Original languageEnglish
Article number106523
JournalComposites Part A: Applied Science and Manufacturing
Volume149
DOIs
Publication statusPublished - Oct 2021

Keywords

  • A. Ceramic-matrix composites (CMCs)
  • B. Cure behaviour
  • B. Environmental degradation
  • D. Mechanical testing

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials

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