High temperature alkali corrosion of ceramics in coal gas. Quarterly progress report No. 11, March 1, 1994--June 1, 1994

Technical Report · Wed Jun 01 00:00:00 EDT 1994

DOI:https://doi.org/10.2172/10162717· OSTI ID:10162717

Pickrell, G R; Sun, T; Brown, J J

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
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010402
010404
014000
33 ADVANCED PROPULSION SYSTEMS
330000
36 MATERIALS SCIENCE
360205
ADVANCED PROPULSION SYSTEMS
CERAMICS
CHEMICAL REACTION KINETICS
COMBUSTION
CORROSION
CORROSION AND EROSION
EQUILIBRIUM
GASIFICATION
PHASE TRANSFORMATIONS
PROGRESS REPORT
PURIFICATION AND UPGRADING