Abstract
The microstructure and properties of zirconium diboride-molybdenum disilicide ceramics were studied. Up to thirty volume percent molybdenum disilicide was incorporated into zirconium diboride. The density, microstructure, mechanical properties, and oxidation resistance were characterized as a function of composition. Molybdenum disilicide was investigated as an additive to zirconium diboride due to its ability to form a protective oxide layer that might impart improved oxidation resistance to the ceramic. The results were compared to a previous examination of zirconium diboride-silicon carbide ceramics.
| Original language | American English |
|---|---|
| Journal | Proceedings of Advances in Ceramic Matrix Composites IX (2003: Apr. 27-30, Nashville, TN) |
| Volume | 153 |
| DOIs | |
| State | Published - Jan 1 2004 |
Keywords
- Hypersonic reentry vehicles
- Space shuttle orbiter
- Thermal protection systems (TPS)
- Characterization
- Elastic moduli
- Microstructure
- Molybdenum compounds
- Oxidation resistance
- Scanning electron microscopy
- Space shuttles
- Zirconium compounds
- Ceramic materials
Disciplines
- Materials Science and Engineering
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