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7310949 |
Method and apparatus for arresting a crack within a body
An inseparable assembly includes a body having a first surface and a second surface. The body includes an oxide-based ceramic matrix composite material having a first predetermined ductility. The a...
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7028462 |
Method and apparatus for arresting a crack within a body
An inseparable assembly includes a body having a plurality of plies stacked in face to face relation and bonded together, wherein each of the plurality of plies includes a ceramic matrix composite ...
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7001679 |
Protective overlayer for ceramics
A xenotime phosphate protective overlayer ( 22 ) for protecting a ceramic material ( 24 ) from a high temperature, moisture-containing environment. Yttrium phosphate may be used as a protective ove...
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6929852 |
Protective overlayer for ceramics
An alumina comprising composition protective overlayer ( 20 ) for protecting a ceramic matrix composite material ( 12 ) from a high temperature, moisture-containing environment. Alumina may be used...
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6866733 |
Method of forming a flexible insulation blanket having a ceramic matrix composite outer layer
A flexible insulation blanket having a ceramic matrix composite (CMC) outer layer, and a method of producing a flexible insulation blanket having a smooth, aerodynamically suitable, outer surface b...
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6852271 |
Flexible insulation blanket having secondarily bonded ceramic matrix composite layer
A flexible insulation blanket having a smoothly surfaced, secondarily bonded, ceramic matrix composite (CMC) outer layer, and a method of producing a flexible insulation blanket having a secondaril...
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6844091 |
Flexible insulation blanket having a ceramic matrix composite outer layer
A flexible insulation blanket having a ceramic matrix composite (CMC) outer layer, and a method of producing a flexible insulation blanket having a smooth, aerodynamically suitable, outer surface b...
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6844057 |
Method for secondarily bonding a ceramic matrix composite layer to a flexible insulation blanket and an insulation blanket produced thereby
A flexible insulation blanket having a smoothly surfaced, secondarily bonded, ceramic matrix composite (CMC) outer layer, and a method of producing a flexible insulation blanket having a secondaril...
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6716407 |
Monazite-based coatings for thermal protection systems
Monazite or xenotime-based blanket coatings that stiffen ceramic fabrics without causing embrittlement at temperatures of at least as high as 2400° F. are provided. Methods for making the coatings...
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6528190 |
Fiber coating compounds for reinforced ceramic matrix composites
A composite ( 20 ) has a matrix ( 10 ), preferably of ceramic, interspersed with reinforcement structures ( 12 ), preferably ceramic fibers, coated with a material ( 14 ) selected from ZrGeO 4 , Hf...
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6368663 |
Ceramic-based composite member and its manufacturing method
There is disclosed a hybrid treatment into which CVI treatment and PIP treatment are combined. A dense matrix is formed around a ceramic fiber by the CVI treatment, and a gap in the matrix is infil...
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EP1193236A2 |
Oxide ceramic fiber/oxide composite material and process for production thereof
The present invention discloses: an oxide ceramic fiber/oxide ceramic composite material comprising: primary composite materials each consisting of (a) an assembly of ceramic fibers composed ...
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5958583 |
Alumina-based protective coating for ceramic materials
A coated ceramic has alumina as an amorphous residue from an alumina sol containing alumina powder or and, optionally, a high emittance powder. The alumina powder alters the rheology and wetting ch...
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5948516 |
High-strength, flaw-tolerant, oxide ceramic composite
The invention comprises a multilayer high-strength, high-toughness, flaw-tolerant oxide ceramic composite having a metal phosphate later, a first yttria stabilized zirconia layer, a yttria stabiliz...
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5851737 |
Spatially varied interfaces for composite materials
A method for controlling the interface in a composite between the matrix material and reinforcing filaments or fibers in a composite structure which comprises the application of a patterned coating...
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5759632 |
Ceramic composite
An improved method for producing a fiber-reinforced ceramic composite having a monazite interface between the reinforcing fiber and the ceramic matrix, which comprises the steps of coating each fil...
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