Mechanical properties and corrosion behavior of structural ceramics exposed to coal gasification environments

Conference · Tue Apr 01 04:00:00 EST 1986

OSTI ID:5640904

Hobday, J M; Easler, T E

Applications of structural ceramics in coal conversion systems are discussed in an overview of the US Department of Energy's (DOE) research program on structural ceramics. Specifically emphasized is DOE-sponsored work at Argonne National Laboratory (ANL) evaluating the corrosion behavior and changes in mechanical properties of structural ceramics (sintered alpha silicon carbide, siliconized silicon carbide) after exposure to simulated coal gasification environments at 1000 to 1300/sup 0/C for periods up to 500 h, with and without coal slag coatings. Results on the effects of exposing ceramics with and without slag coatings to higher oxygen partial pressures (i.e., combustion environments) will be compared to those for low oxygen partial pressures (coal gasification environments) to emphasize the influence of environment on corrosion behavior and mechanical properties. 8 refs., 5 figs., 4 tabs.

• Research Organization: Argonne National Lab., IL (USA); USDOE Morgantown Energy Technology Center, WV
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 5640904
• Report Number(s): CONF-860608-7; ON: DE86014558
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
36 MATERIALS SCIENCE
360203 -- Ceramics
Cermets
& Refractories-- Mechanical Properties
360205 -- Ceramics
Cermets
& Refractories-- Corrosion & Erosion
CARBIDES
CARBON COMPOUNDS
CERAMICS
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COAL GASIFICATION PLANTS
CORROSION
CORROSIVE EFFECTS
DATA
ELEMENTS
EXPERIMENTAL DATA
FRACTURE PROPERTIES
INDUSTRIAL PLANTS
INFORMATION
MATERIALS TESTING
MECHANICAL PROPERTIES
NONMETALS
NUMERICAL DATA
OXYGEN
PARTIAL PRESSURE
SILICON CARBIDES
SILICON COMPOUNDS
SLAGS
STRESSES
TESTING
VERY HIGH TEMPERATURE