Journal
CORROSION SCIENCE
Volume 98, Issue -, Pages 551-559Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2015.05.064
Keywords
Ceramic matrix composites; SEM; High temperature corrosion
Funding
- National Natural Science Foundation of China [51404041]
- Natural Science Foundation of Hunan Province, China [2015JJ3016]
- National 973 Program [2011CB605801]
- Hunan Province Key Laboratory for Spray Deposition Technology and Application
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C/C-ZrB2-ZrC-SiC composites were fabricated by polymer infiltration and pyrolysis (PIP) with a preform of C-f/ZrB2. The ZrB2 powders were sprayed onto fabric layer by layer before the fabric is needled. After introduction of resin carbon and ZrC-SiC into the preform, a ceramic coating on the matrix and fibres was formed in the composites. The plasma ablation test indicates that the composites possess a good ablation resistance after ablation for 180s and 240 s. The SiO2-ZrO2 barrier layer, high temperature Zr-Si-O glass layer and heat dissipation all contribute to the good ablation resistance of the composites. (C) 2015 Elsevier Ltd. All rights reserved.
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