Slurry infiltration of 3-D woven composites
Conference
·
· Ceramic Engineering and Science Proceedings; (United States)
OSTI ID:7110540
Sol-gel techniques have been used to infiltrate fibrous preforms at room temperature. However, due to large shrinkage during processing, even many infiltration and heat treatment cycles fail to achieve dense composites. Slurries of alumina and silica powders were infiltrated into 3D woven preforms of mullite based fiber in order to investigate the effects of particle size and size distribution on packing. A well dispersed slurry containing agglomerate-free, submicron-sized particles significantly increased infiltration efficiency and resulted in a high packing density. 7 refs.
- OSTI ID:
- 7110540
- Report Number(s):
- CONF-920144--
- Journal Information:
- Ceramic Engineering and Science Proceedings; (United States), Journal Name: Ceramic Engineering and Science Proceedings; (United States) Vol. 13:9-10; ISSN 0196-6219; ISSN CESPD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360601* -- Other Materials-- Preparation & Manufacture
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
COLLOIDS
COMPOSITE MATERIALS
DENSITY
DISPERSIONS
DISTRIBUTION
FABRICATION
FIBERS
GELS
IMPREGNATION
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
MIXTURES
MULLITE
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PERMEABILITY
PHYSICAL PROPERTIES
SILICON COMPOUNDS
SILICON OXIDES
SIZE
SLURRIES
SOLS
SUSPENSIONS
360601* -- Other Materials-- Preparation & Manufacture
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
COLLOIDS
COMPOSITE MATERIALS
DENSITY
DISPERSIONS
DISTRIBUTION
FABRICATION
FIBERS
GELS
IMPREGNATION
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
MIXTURES
MULLITE
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PERMEABILITY
PHYSICAL PROPERTIES
SILICON COMPOUNDS
SILICON OXIDES
SIZE
SLURRIES
SOLS
SUSPENSIONS