Back to Search
Start Over
A MoSi2–SiC–Si/MoSi2 COATING TO PROTECT CARBON/CARBON COMPOSITES AGAINST OXIDATION AT 1700°C.
- Source :
-
Surface Review & Letters . Jun2009, Vol. 16 Issue 3, p437-440. 4p. 3 Diagrams, 2 Graphs. - Publication Year :
- 2009
-
Abstract
- In order to protect carbon/carbon (C/C) composites from oxidation at 1700°C, a MoSi2–SiC–Si/MoSi2 coating was prepared on the surface of these composites by a simple and effective method. The MoSi2–SiC–Si inner layer was obtained by pack cementation, and the MoSi2 outer layer was prepared by slurry coating using silicon-sol as the caking agent. The microstructures of the as-prepared coating were examined by X-ray diffraction and scanning electron microscope. Oxidation test shows that, the as-received coating can protect C/C composites from oxidation for more than 107 h at 1700°C in air. The excellent anti-oxidation ability of this coating is attributed to its dense structure and the formation of the SiO2 film on the coating surface during oxidation. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0218625X
- Volume :
- 16
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Surface Review & Letters
- Publication Type :
- Academic Journal
- Accession number :
- 43220967
- Full Text :
- https://doi.org/10.1142/S0218625X09012822