Improved process for the preparation of fiber-reinforced ceramic composites by chemical vapor deposition
Abstract
A specially designed apparatus provides a steep thermal gradient across the thickness of fibrous preform. A flow of gaseous ceramic matrix material is directed into the fibrous preform at the cold surface. The deposition of the matrix occurs progressively from the hot surface of the fibrous preform toward the cold surface. Such deposition prevents the surface of the fibrous preform from becoming plugged. As a result thereof, the flow of reactant matrix gases into the uninfiltrated (undeposited) portion of the fibrous preform occurs throughout the deposition process. The progressive and continuous deposition of ceramic matrix within the fibrous preform provides for a significant reduction in process time over known chemical vapor deposition processes.
- Inventors:
- Issue Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- OSTI Identifier:
- 5718383
- Application Number:
- ON: DE85011584
- Assignee:
- Dept. of Energy
- DOE Contract Number:
- AC05-84OR21400
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; COMPOSITE MATERIALS; CHEMICAL VAPOR DEPOSITION; REINFORCED MATERIALS; CERAMICS; FIBERS; TEMPERATURE GRADIENTS; CHEMICAL COATING; DEPOSITION; MATERIALS; SURFACE COATING; 360301* - Composite Materials- Preparation & Fabrication- (-1987)
Citation Formats
Lackey, Jr, W J, and Caputo, A J. Improved process for the preparation of fiber-reinforced ceramic composites by chemical vapor deposition. United States: N. p., 1984.
Web.
Lackey, Jr, W J, & Caputo, A J. Improved process for the preparation of fiber-reinforced ceramic composites by chemical vapor deposition. United States.
Lackey, Jr, W J, and Caputo, A J. Fri .
"Improved process for the preparation of fiber-reinforced ceramic composites by chemical vapor deposition". United States.
@article{osti_5718383,
title = {Improved process for the preparation of fiber-reinforced ceramic composites by chemical vapor deposition},
author = {Lackey, Jr, W J and Caputo, A J},
abstractNote = {A specially designed apparatus provides a steep thermal gradient across the thickness of fibrous preform. A flow of gaseous ceramic matrix material is directed into the fibrous preform at the cold surface. The deposition of the matrix occurs progressively from the hot surface of the fibrous preform toward the cold surface. Such deposition prevents the surface of the fibrous preform from becoming plugged. As a result thereof, the flow of reactant matrix gases into the uninfiltrated (undeposited) portion of the fibrous preform occurs throughout the deposition process. The progressive and continuous deposition of ceramic matrix within the fibrous preform provides for a significant reduction in process time over known chemical vapor deposition processes.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Sep 07 00:00:00 EDT 1984},
month = {Fri Sep 07 00:00:00 EDT 1984}
}