High temperature alkali corrosion of ceramics in coal gas. Quarterly progress report No. 11, March 1, 1994--June 1, 1994
High temperature alkali corrosion has been to cause premature failure of ceramic components used in advanced high temperature coal combustion systems such as coal gasification and clean-up, coal fired gas turbines, and high efficiency heat engines. The objective of this research is to systematically evaluate the alkali corrosion resistance of the most commonly used structural ceramics including silicon carbide, silicon nitride, cordierite, mullite, alumina, aluminum titanate, zirconia, and fireclay glass. The study consists of identification of the alkali reaction products (phase equilibria) and the kinetics of the alkali reactions.
- Research Organization:
- Virginia Polytechnic Inst. and State Univ., Blacksburg, VA (United States). Center for Advanced Ceramic Materials
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG22-91PC91309
- OSTI ID:
- 10162717
- Report Number(s):
- DOE/PC/91309-T12; ON: DE94014535; TRN: 94:007001
- Resource Relation:
- Other Information: PBD: 1 Jun 1994
- Country of Publication:
- United States
- Language:
- English
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36 MATERIALS SCIENCE
01 COAL, LIGNITE, AND PEAT
33 ADVANCED PROPULSION SYSTEMS
CERAMICS
CORROSION
PROGRESS REPORT
PHASE TRANSFORMATIONS
EQUILIBRIUM
CHEMICAL REACTION KINETICS
360205
010404
010402
014000
330000
CORROSION AND EROSION
GASIFICATION
PURIFICATION AND UPGRADING
COMBUSTION
ADVANCED PROPULSION SYSTEMS
01 COAL, LIGNITE, AND PEAT
33 ADVANCED PROPULSION SYSTEMS
CERAMICS
CORROSION
PROGRESS REPORT
PHASE TRANSFORMATIONS
EQUILIBRIUM
CHEMICAL REACTION KINETICS
360205
010404
010402
014000
330000
CORROSION AND EROSION
GASIFICATION
PURIFICATION AND UPGRADING
COMBUSTION
ADVANCED PROPULSION SYSTEMS