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4150998 Rotary sealant abradable material and method for making  
Abradable materials useful as rotary sealant are provided and a method for making such materials. A mixture of silicon powder having a particular particle size range, carbon fiber and a binder is...
4147572 Method for epitaxial production of semiconductor silicon carbide utilizing a close-space sublimation deposition technique  
A method of producing epitaxial semiconductor monocrystal materials of silicon carbide with the silicon carbide crystals being grown by crystallizing sublimed silicon carbide vapors.
4134759 Light metal matrix composite materials reinforced with silicon carbide fibers  
Light metal composite materials reinforced with novel continuous silicon carbide fibers composed of aluminum, aluminum alloy or magnesium alloy matrix and the continuous silicon carbide fibers...
4123286 Silicon carbide powder compositions  
A powder containing substantial amounts of alpha phase silicon carbide suitable for use in subsequent sintering operations to obtain a high-density, high-strength ceramic product is described. The...
4117565 Chromium base alloy composite materials reinforced with continuous silicon carbide fibers and a method for producing the same  
Chromium base alloy composite materials having high corrosion resistance, idation resistance and tensile strength at high temperatures are produced by laminating and arranging silicon carbide...
4117057 Silicon carbide sintered moldings and a method for producing the same  
Silicon carbide sintered moldings having a high flexural strength and various excellent properties are produced by mixing SiC powders or SiC fibers with a binder or organosilicon low molecular...
4117096 Process for producing powder of β-type silicon carbide  
A process for producing a powder of β-type silicon carbide, which comprises heating at a temperature of about 800° to about 1,400° C a mixture of a carbon powder having a particle size of about 20...
4100233 Silicon carbide fibers having a high strength and a method for producing said fibers  
Silicon carbide fibers having a high tensile strength are produced by (1) dissolving at least one of organosilicon high molecular weight compounds having a softening point of higher than 50° C, in...
4095974 High temperature chemical reaction processes utilizing fluid-wall reactors  
A high temperature chemical reaction process in which mineral ores or inorganic compounds are reduced to a lower valence state with hydrogen, carbon, synthesis gas, or other reducing agent can be...
4067955 Method of forming a silicon carbide article  
A method of forming a silicon carbide article is disclosd. Selected weight percentages of silicon carbide particles, graphite particles, if desired, and a thermosetting binder are mixed together...
4054708 Film of pyrolytic graphite having bi-directional reinforcing properties  
A thin film of substantially defect-free pyrolytic graphite, useful as a bi-directional reinforcing material, is formed by vapor deposition on an inert liquid substrate surface and separated...
4032371 Method of making a thermo-element  
The invention relates to a method of making a thermo-element having two sections with two electric conductor materials of different thermo-electric properties connected in series. The method...
4028149 Process for forming monocrystalline silicon carbide on silicon substrates  
A method for forming monocrystalline silicon carbide on a silicon substrate by converting a portion of the monocrystalline silicon substrate into a porous silicon substance by anodic treatment...
3998646 Process for forming high density silicon carbide  
High density sintered silicon carbide articles are formed by first forming a green blank or billet out of powdered silicon carbide, heat treating the billet to cause it to lightly sinter and...
3989883 Furnace installation operated by direct electrical heating according to the resistance principle, in particular for the preparation of silicon carbide  
An electrical resistance furnace installation, especially for the production of silicon carbide, has no side walls. In the one arrangement, the installation has two end walls, each provided with...
3979500 Preparation of finely-divided refractory powders of groups III-V metal borides, carbides, nitrides, silicides and sulfides  
The preparation of metal and metalloid carbides, borides, nitrides silicides and sulfides by reaction in the vapor phase of the corresponding vaporous metal halide, e.g., metal chloride, with a...
3971840 Production of high strength carbide fibers by heat treatment  
A process for strengthening carbide fibers by removing internal stresses caused by their formation. This process is accomplished by drawing the carbide fiber under tension through a furnace. The...
3966855 Method of fabricating silicon carbide articles  
A method is provided for fabricating silicon carbide articles which comprises hot pressing a homogeneous mixture of carbonaceous particles and silicon carbide powder. The presence of the carbon...
3962406 Method of manufacturing silicon carbide crystals  
A method of manufacturing silicon carbide crystals in which a core of silicon dioxide is embedded in a mass of granular silicon carbide, or materials which form silicon carbide on heating this...
3960619 Process for preparing layers of silicon carbide on a silicon substrate  
In a process for producing an epitaxial layer of hexagonal silicon carbide on a silicon monocrystal substrate by simultaneous reduction or thermal decomposition of a gas mixture containing silicon...
3956032 Process for fabricating SiC semiconductor devices  
Sections are cut from a SiC platelet such that the sections have a-faces parallel to the c-axis of the SiC platelet. The sections serve as substrates for the growth of SiC layers by attaching the...
3947550 Method of making a silicon carbide article of less than full density  
This disclosure teaches a method of making a silicon carbide article of less than full density. A mixture of silicon carbide particles, silicon particles and a thermosetting polymeric material are...
3933984 Process of manufacturing whisker crystalline silicon carbide  
Whisker crystalline silicon carbide is prepared by heating a silicon-containing material for example, elemental silicon, silicon oxides, silicon hydroxides, silicon salts and the like with a...
3927181 Process for preparing hollow balls of silicon carbide and product formed thereby  
A process for preparing hollow balls of silicon carbide, in which the surfaces of hollow balls of carbon are covered with particles of silicon or a silicon-containing composition, and the covered...
3923314 Non-rigid seal for joining silicon carbide tubes and tube sheets in heat exchangers  
An impermeable non-rigid seal is made between the joints of silicon carbide heat exchanger tubes and their supporting silicon carbide tube sheets by first making suitable openings for the tubes...
3920446 Methods of treating silicious materials to form silicon carbide for use in refining ferrous material  
A method is provided for treating oxygen bearing silicious materials, particularly those containing ferrous metal to produce silicon carbide and metallic iron comprising the steps of mixing a...
3882210 Injection of a ceramic into a mould  
A method of producing an injection moulded silicon carbide article comprises charging a chamber with a mix of alpha silicon carbide, graphite and a binder thereof, injecting the mix from the...
3865647 Method for precipitation of semiconductor material  
Silicochloroform and hydrogen flow through a heated rod for example of silicon. The inside of the rod wall is of silicon. The precipitation of silicon takes place within the rod wall to form a...
3773553 SILICON CARBIDE JUNCTION DIODE  
The production of electroluminescent silicon carbide junction diodes is described. These diodes are preferably produced by growth from a silicon carbide or carbon solution in silicon formed...
3758672 MANUFACTURE OF SILICON CARBIDE  
A process for the manufacture of silicon carbide whiskers comprises heating solid-phase carbon and solid-phase silicon at a temperature of at least 1,100°C, said heating being carried out in the...
3719452 CARBONACEOUS MATERIAL AND METHOD OF PREPARATION  
A relatively pure carbonaceous material formed by compacting polyphenylene and pyrolyzing the compacted matter. The polyphenylene can be mixed with filler material to produce heterogeneous...
3668062 THREE-DIMENSIONAL CRYSTAL WHISKERS AND METHOD FOR PREPARATION THEREOF  
The invention disclosed is for three-dimensional crystal whiskers, a method for preparation thereof, and products containing such crystal whiskers. In one embodiment, the three-dimensional...
3653851 HIGH-STRENGTH METAL-SILICON CARBIDE ARTICLE  
Fibrous silicon carbide, substantially free of silicon dioxide, in the form of fibrous beta crystals in intimate admixture with minor amounts of particles of silicon dioxide is disclosed as a...
3647384 CORE FOR SILICON CARBIDE FURNACE  
Silicon carbide is produced commercially by the reaction of carbon and silica in a carbon core electrical resistance furnace. According to the present invention, an improved core for such a...
3640693 METHOD OF FORMING SILICON COMPOUND FIBERS  
A process for producing low-density high-modulus fibers including the steps of inserting silicon metal, preferably in powdered form, in a glass tube to form a composite, vacuum casting to melt the...
3615930 METHOD OF MANUFACTURING SILICON CARBIDE CRYSTALS  
A method of manufacturing silicon carbide crystals with a narrow PN junction in which during growth of such crystals by recrystallization and/or condensation in an inert gas atmosphere in a space...
3607054 METHOD FOR EXTENDING THE GROWTH OF VAPOR-LIQUID-SOLID GROWN CRYSTALS  
By maintaining the desired temperature gradient in the molten solvent as the crystal grows and by replenishing the solvent lost by segregation into the growing crystal, a continuous filament...
3520656 SILICON CARBIDE COMPOSITIONS  
3519472 MANUFACTURE OF SILICON CARBIDE  
3508954 SILICON CARBIDE STRUCTURES  
3669763 TRAVELING SOLVENT METHOD OF GROWING SILICON CARBIDE CRYSTALS AND JUNCTIONS UTILIZING YTTRIUM AS THE SOLVENT  
3629151 OXYHALOGENATION CATALYSTS  
3679471 METHOD FOR THE PRODUCTION OF ELECTRICAL RESISTOR BODIES,AND ELECTRICAL RESISTOR BODIES PRODUCED IN ACCORDANCE WITH SAID METHOD  
3754076 PRODUCTION OF SILICON CARBIDE FROM RICE HULLS  
3663722 METHOD OF MAKING SILICON CARBIDE JUNCTION DIODES  
3704114 PROCESS AND FURNACE CHARGE FOR USE IN THE PRODUCTION OF FERROSILICON ALLOYS  
RE11473 Title is not available  
3692478 METHOD OF MANUFACTURING SILICON CARBIDE WHISKERS  
3704230 EXOTHERMIC COMPOSITIONS  
3692479 PREPARATION OF BINARY BORIDES,CARBIDES AND SILICIDES  
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