Mechanical behavior of a microcracked ceramic composite
Conference
·
· Ceram. Eng. Sci. Proc.; (United States)
OSTI ID:7170720
The mechanical behavior of undirectional composites of Nicalon SiC fibers in a fine-grained Al2O3 matrix, fabricated by colloidal infiltration and pressureless sintering, was examined. The first microcracking of the matrix occurred during cooling from the sintering temperature due to the thermal expansion mismatch between the fibers and the matrix. Determination of the fiber-matrix interfacial frictional stress from the model of Aveston, et al. (1971) and by the indention method of Marshall (1982) are discussed. The load-displacement behavior of these composites in tension was determined. 15 references.
- OSTI ID:
- 7170720
- Report Number(s):
- CONF-860152-
- Conference Information:
- Journal Name: Ceram. Eng. Sci. Proc.; (United States) Journal Volume: 7
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CARBIDES
CARBON COMPOUNDS
CASTING
CHALCOGENIDES
COMPOSITE MATERIALS
CRYSTAL STRUCTURE
FABRICATION
FIBERS
MATERIALS
MECHANICAL PROPERTIES
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
RESIDUAL STRESSES
SILICON CARBIDES
SILICON COMPOUNDS
SLIP CASTING
STRESSES
TENSILE PROPERTIES
360603* -- Materials-- Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CARBIDES
CARBON COMPOUNDS
CASTING
CHALCOGENIDES
COMPOSITE MATERIALS
CRYSTAL STRUCTURE
FABRICATION
FIBERS
MATERIALS
MECHANICAL PROPERTIES
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
RESIDUAL STRESSES
SILICON CARBIDES
SILICON COMPOUNDS
SLIP CASTING
STRESSES
TENSILE PROPERTIES