Matches 1 - 22 out of 22
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6979490 Fiber-reinforced ceramic composite material comprising a matrix with a nanolayered microstructure  
A fiber-reinforced ceramic matrix composite material exhibiting increased matrix cracking strength and fracture toughness is produced by sequentially depositing a plurality of 5-500 nanometer-thick...
6228453 Composite materials comprising two jonal functions and methods for making the same  
The present invention generally relates to mechanisms for preventing undesirable oxidation (i.e., oxidation protection mechanisms) in composite bodies. The oxidation protection mechanisms include...
5733655 Thermostructural composite articles and method for making same  
A thermostructural composite article and a method for making in which the article comprises silicon carbide reinforcing fibers having an oxygen content by weight of not more than about 14% and an...
5723213 Integrated multiple-ceramic-layer fiber interfacial coating  
The present invention is embodied in a ceramic matrix composite, comprising a ceramic fiber, a multi-layer coating on the fiber comprising plural alternating layers of an easily-cleaved material...
5682594 Composite materials and methods for making the same  
Coated ceramic filler materials comprised of ceramic particles, fibers, whiskers, etc. having at least two substantially continuous coatings thereon are provided. The coatings are selected so that...
5585165 Composite materials and methods for making the same  
The present invention generally relates to mechanisms for preventing undesirable oxidation (i.e., oxidation protection mechanisms) of reinforcement materials in composite bodies. The oxidation...
5580643 Composite materials and methods for making the same  
The present invention generally relates to mechanisms for preventing undesirable oxidation (i.e., oxidation protection mechanisms) of reinforcement materials in composite bodies. In a preferred...
5558907 Pseudo-porous fiber coating for toughened ceramic composite materials and method of producing same  
A fiber-reinforced ceramic composite material exhibiting high tensile strength, high fracture toughness and high-temperature oxidation resistance is produced by simultaneously depositing a thin...
5552220 Method of manufacturing a composite material having a pyrolytic carbon interphase of lamellar microtexture between reinforcing fibers and a matrix, and a material as obtained by the method  
The pyrolytic carbon lamellar interphase is formed on the reinforcing fibers inside a chamber in which a plurality of successive cycles is performed, each cycle comprising: injecting a reaction gas...
5545435 Method of making a toughened ceramic composite comprising chemical vapor deposited carbon and ceramic layers on a fibrous preform  
A fiber-reinforced ceramic-matrix composite material exhibiting high tensile strength, high fracture toughness and high-temperature oxidation resistance is produced by alternatively depositing...
5529851 Composite materials and methods for making the same  
The present invention generally relates to mechanisms for preventing undesirable oxidation (i.e., oxidation protection mechanisms) of reinforcement materials in composite bodies. The oxidation...
EP0633868B1 COMPOSITE MATERIALS AND METHODS FOR MAKING THE SAME  
Abstract not available for EP0633868 Abstract of corresponding document: WO9320018 The present invention generally relates to mechanisms for preventing undesirable oxidation (i.e., oxidation...
5480707 Toughened ceramic composite materials comprising coated refractory fibers in a ceramic matrix wherein the fibers are coated with carbon and an additional coating of ceramic material and carbon mixture  
A fiber reinforced ceramic composite material exhibiting high tensile strength, high fracture toughness and high-temperature oxidation resistance is produced by simultaneously depositing a thin...
5455106 Multilayer fiber coating comprising alternate fugitive carbon and ceramic coating material for toughened ceramic composite materials  
A fiber-reinforced ceramic-matrix composite material exhibiting high tensile strength, high fracture toughness and high-temperature oxidation resistance is produced by alternatively depositing...
5389450 Composite materials and methods for making the same  
The present invention generally relates to mechanisms for preventing undesirable oxidation (i.e., oxidation protection mechanisms) of reinforcement materials in composite bodies. The oxidation...
5332619 Process for anti-oxidation protection of a material of which at least a surface is made of a ceramic formed from a silicon compound, and a material obtained by said process  
Anti-oxidation protection for a silicon compound under both an active oxidation condition and a passive oxidation condition is achieved by forming an intermediate layer devoid of the element...
5330849 Composite materials and methods for making the same  
The present invention generally relates to mechanisms for preventing undesirable oxidation (i.e., oxidation protection mechanisms) of reinforcement materials in composite bodies. The oxidation...
5294489 Protective coating with reactive interlayer on reinforcement in silicon carbide composite  
A protective coating for a reinforcement phase exposed to molten silicon or silicon alloy infiltrant comprises, an inner layer material resistant to reaction with the molten infiltrant, an...
5275984 Fiber coating of unbonded multi-layers for toughening ceramic fiber-matrix composites  
A composite comprising a ceramic matrix having immersed ceramic reinforcing fibers is strengthened and toughened by providing a multi-layer ceramic coating surrounding each fiber. The multiple...
5205970 Method of infiltration forming a silicon carbide body with improved surface finish  
A method of infiltration forming silicon carbide bodies having an improved surface finish comprises, infiltrating a porous carbonaceous preform with molten infiltrant to form a silicon carbide...
5134020 Composite material with multiple interphases between refractory reinforcing fibers and ceramix matrix  
A layer (16) forming interphase in a material having a lamellar structure is situated between the fibers of the texture and the matrix, and at least one layer (14) forming control interphase is...
5132169 Composite materials having multidirectional reinforcement textures made essentially of ceramic fibers having a silicon compound base  
In order to obtain a reinforcement texture made essentially of silicon compound based ceramic fibers in the production of a composite material, the fibers are spun from a ceramic presursor in the...
Matches 1 - 22 out of 22