Sintered reaction-bonded silicon nitride by microwave heating
Conference
·
OSTI ID:10116042
Sintered silicon nitride has many desired properties; however, for most applications these materials are too expensive to compete with metal parts. Sintered fraction-bonded silicon nitride (SRBSN) is more economical, with raw material costs <27% those of comparable high-purity materials, making it competitive with metal parts. Conventional processing of SRBSN requires long nitridation times and a two-step firing process. Microwave (M) heating reduces the reaction times and is performed in a one-step process, thereby simplifying the operation. The flexural strength of the M-SRBSN is equivalent to the strength of some materials made from higher-cost powders. Thus, these materials maybe appropriate for a number of applications.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 10116042
- Report Number(s):
- CONF-921206--8; ON: DE93005753
- Country of Publication:
- United States
- Language:
- English
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