Combustion synthesis of MoSi{sub 2} - SiC oxidation resistant coatings
Conference
·
OSTI ID:96592
- Colorado School of Mines, Golden, CO (United States); and others
Several high-temperature, oxidation resistant materials were investigated as possible coatings for molybdenum furnace elements. Molybdenum disilicide (MoSi{sub 2}) composites are potential candidates for these high temperature coating applications. Composite materials were selected based on several factors, including oxidation resistance, coefficients of thermal expansion, compatibility at the coating/substrate interface, thermodynamic stability over a large temperature range and adhesion. The synthesis of dense MoSi{sub 2}-SiC composites through simultaneous combustion and hot-pressing is currently being investigated. Functionally graded materials (FGM`s) are being studied to overcome some of the property differences between a coating and a substrate. Oxidation testing was used to determine the protective qualities of the FGM`s.
- OSTI ID:
- 96592
- Report Number(s):
- CONF-940416--
- Country of Publication:
- United States
- Language:
- English
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