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3970445 Wear-resistant alloy, and method of making same  
A wear-resistant alloy comprising boron, chromium and iron having maximum hardness for a given composition is produced by rapidly cooling and solidfying spheroidal particles of the molten alloy...
3970136 Method of manufacturing composite materials  
A process for forming a composite material comprising a metal matrix incorporating fibrous reinforcement having a pre-determined pattern of fibre orientation which includes the steps of providing...
3963450 Reinforced cast product and method of making  
A reinforced ferrous metal casting and a method of making a reinforced ferrous metal casting wherein the reinforcing rods are located within tubular metal sheaths such that the metal sheaths...
3963425 Composite materials  
A superconductor composite comprising at least one longitudinally extending superconductor filament or bundle of sub-filaments, each filament or bundle of sub-filaments being surrounded by and in...
3955934 Semimanufactured product for use in jewelry  
A semimanufactured product for use in jewelry comprises a support band made of metal, on one face of which there is secured, by welding, at least one decorating band, also made of metal, provided...
3948612 Pig for manufacturing cast iron  
A pig including a base of pig iron which covers and holds in position a mixture of components including low carbon metallic charge components, scrap iron and solid fuel material. The pig is formed...
3948613 Process for applying a protective wear surface to a wear part  
A process for providing a tungsten carbide wear surface to wear parts with relatively large wearing surfaces employs treated and nickel plated tungsten carbide tiles arranged in a matrix and...
3945555 Production of beryllium reinforced composite solid and hollow shafting  
Manufacturing process for a solid or hollow shaft consisting of aluminum or itanium with beryllium reinforcing therein. Beryllium rods are either clad with aluminum or titanium or, in the...
3940254 Nickel clad steel coinage blank  
A two-component blank suitable for minting into a coin is described. The blank consists of a low-carbon steel core completely encased in nickel. The blank has magnetic properties sufficiently...
3940262 Reinforced foamed metal  
Foamed metal articles having reinforcing fibers, such as inorganic fibers; for example, fiberglass, refractory fibers, and metal fibers, dispersed in the foamed metal for strength improvement....
3938964 Beryllium reinforced composite solid and hollow shafting  
A solid or hollow shaft has an aluminum or titanium matrix reinforced with rcuate-shaped beryllium ribbons arranged around a central rod or core to form a circular cross-sectional configuration....
3938962 Laminated composite wear materials  
Metallic parts having a hard wear-resistant surface and the high impact resistance associated with softer materials are formed by coating a plurality of ductile, relatively soft metallic segments...
3934985 Multilayer structure  
A multilayer structure comprising alternating metal and dielectric layers and having intralayer junctions for interconnecting the metal layers. The intralayer junctions are made integral with end...
3929425 Foamed metal bodies  
A heat conducting foamed metal body having discrete cells therein and a tubular conduit embedded in it for conducting a heating fluid or the like. The tubular conduit is made from a material...
3924534 Lightweight cartridge case of improved aluminum alloy material which eliminates catastrophic failures  
A high strength aluminum alloy cartridge case wherein said alloy includes a ispersoid of finely divided aluminum minum oxide (Al2 03) which coats the aluminum alloy particles to markedly improve...
3919764 Method of making metallic composite materials  
Reinforcing fibers are precisely aligned and distributed in a metal matrix by (a) forming a corrugated sheet of the metal, filling the valleys with reinforcing fibers, sandwiching the sheet...
3919717 Wear-resistant surface for magnetic heads consisting of diamond particles  
A wear-resistant surface for magnetic heads comprising diamond particles in a matrix of softer material. A preferred composition utilizes electroplated rhodium having a hardness greater than 900...
3907514 Aluminum carbon composite seal material  
A process for impregnating a mass of carbon particles with metal, preferably an aluminum alloy, to form a solid billet suitable for machining therefrom articles having advantageous durability and...
3900626 Tantalum wire reinforced silicon nitride articles and method for making the same  
A reinforced ceramic article comprises a matrix material of Si3 N4 with reinforcing filaments of tantalum. The article has excellent impact strength over a wide range of temperatures. A method for...
3896567 Dredging bucket having a reinforced edge  
A reinforced dredging bucket of hardened manganese steel has an edge formed from a plurality of successively alternating, integrally cast first and second regions. The first regions consist of the...
3894863 Graphite composite  
A novel graphite fiber/metal composite material, the graphite fibers having a coat of titanium boride which may be mixed with titanium carbide. The coat, which promotes wetting by metals such as...
3895162 Composite metal fiber wool resin product and method  
A structural material having a multiplicity of high strength filaments therein which have significant length-to-diameter ratios and are mechanically interlocked with each other to form a wool...
3890690 Method of making reinforced metal matrix composites having improved load transfer characteristics and reduced mismatch stresses  
The method for making reinforced, metal-matrix composite, comprises: preparing elongated, high-strength and high-modulus reinforcing members; dispersing the members is spatial relationship in a...
3885959 Composite metal bodies  
Composite metal bodies are provided in which particles of at least one constituent are embodied in metal in which the constituent is normally insoluble or incompatible when the metal is in the...
3874855 Composite shock resisting bodies  
A shock resisting composite product characterized by maximum resistance with minimum density formed from a wrought alloy of aluminum having cells formed therein which are packed with a hard...
3871834 CARBON-FIBER-REINFORCED ALUMINUM COMPOSITE MATERIAL  
A carbon-fiber-reinforced aluminum composite material comprises an aluminum matrix containing an alloying element reactive with carbon to form a carbide and carbon fibers having a tensile strength...
3869260 Manufacture of supports for use with semiconductor devices  
In manufacturing a support such as a lead frame for a semiconductor device, alloying material such as gold is selectively applied in sufficient thickness for the device bonding operation to a part...
3864807 METHOD OF MANUFACTURING A SHAPED ELEMENT OF FIBER-REINFORCED MATERIAL  
A shaped element of fibre reinforced material comprises a bundle of wires, each enclosed in a jacket of matrix substance, which has been subjected to a mechanical working, such as drawing, to...
3853635 PROCESS FOR MAKING CARBON-ALUMINUM COMPOSITES  
A process for impregnating a mass of carbon particles with metal, preferably an aluminum alloy, to form a solid billet suitable for machining therefrom articles having advantageous durability and...
3851377 SEALING OF METAL BARS IN CARBONIZED BLOCKS  
A method for liquid metal sealing of a metal bar in the groove of a carbonized block which includes the application of compressive stresses having an intensity at least equal to the resistance at...
3848314 AN ASSEMBLY OF SUBSTANTIALLY PARALLEL METALLIC SURFACES  
Parallel plates having a very small relative spacing and assembled in a stack so as to constitute a heat-insulating structure are joined together in pairs by means of connecting bridges formed by...
3849080 ROTATIONALLY SYMMETRICAL HOLLOW COMPOUND BODY  
A rotationally symmetrical compound body make by centrifugal casting in which the metal to be cast is poured with the aid of a rotating or stationary casting device disposed axially in a rotating...
3847558 TITANIUM-BERYLLIUM REINFORCED MATRICES  
A composite material having greater strength to density and modulus to dety ratios than existing monolithic materials comprises a titanium alloy having either beryllium wires or beryllium wires...
3844728 GAS CONTACTING ELEMENT LEADING EDGE AND TRAILING EDGE INSERT  
A leading edge or trailing edge insert for use with a gas contacting blade or vane. The insert is a macrocomposite structure of metal and refractory material wherein wires in single crystal form...
3844021 METHOD OF SIMULTANEOUSLY DRAWING A PLURALITY OF WIRES AND APPARATUS THEREFOR  
A plurality of filaments are simultaneously drawn by disposing the plurality in an apparatus comprising a trough formed in an elongated body, closing the trough to form a bound body and then...
3844727 CAST COMPOSITE STRUCTURE WITH METALLIC RODS  
Macrocomposite structures composed of a low tensile strength refractory mass surrounding a plurality of single crystal wires, the refractory mass being prestressed in compression by the single...
3841737 LAMINATED MIRROR  
A mirror, and method of making same, is disclosed. The mirror includes a metallic base material having a low coefficient of thermal expansion, an intermediate layer bonded to the base by a plasma...
3840350 FILAMENT-REINFORCED COMPOSITE MATERIAL AND PROCESS THEREFOR  
A filament-reinforced composite metallic material, and process therefor, which can be fabricated into various size filament-reinforced composite sheets or strips. The metallic matrix of the...
3837931 COMPOSITE IRON-BASE METAL PRODUCT  
A composite iron-base metal product comprising an iron-base metal in which a martensitic structure having a high mechanical strength is formed in a particular portion of the base metal in such a...
3831258 REINFORCED POROUS METAL STRUCTURE AND MANUFACTURE THEREOF  
A reinforced porous metal structure, and manufacture thereof, comprising a porous metal material secured to a backing sheet having on at least a portion of its surface projected segments formed...
3828417 METHOD FOR FABRICATING COMPOSITE MATERIAL REINFORCED BY UNIFORMALY SPACED FILAMENTS  
A method and apparatus for producing a composite material of the type having a number of filaments of one material separated by and bonded to a matrix of another material. As discussed below each...
3826172 METAL, MATRIX-FIBER COMPOSITE ARMOR  
A high strength lightweight armor material consisting of metal composites rengthened by high density wire, fiber, or whisker elements, and which is particularly effective against more...
3804601 SHADOW MASK BLANK FOR COLOR CATHODE RAY TUBE  
The aperture mask of a color cathode-ray tube is formed of a blank of annealed steel which has a multiplicity of apertures disposed in a rectangular field. The opposed surfaces of the blank have...
3798010 EXPLOSION BONDED ALUMINUM TO STEEL  
Composite products of certain aluminum and steel layers metallurgically bonded together over at least 90 percent of their interface by a substantially diffusionless wavy bond containing, by area,...
3793700 METHOD OF RESHAPING METAL MATRIX COMPOSITE MATERIAL  
A method of reshaping high strength fiber reinforced metal composite sheets is disclosed. The sheets, which typically comprise unidirectionally oriented boron fibers in an aluminum matrix are...
3773098 METHOD OF STATIC MIXING TO PRODUCE METAL FOAM  
Ingredients required to make metal foam having particulate members such as glass beads or steel wires embedded therein are mixed in a static mixer having no moving parts.
3770488 METAL IMPREGNATED GRAPHITE FIBERS AND METHOD OF MAKING SAME  
A technique for effecting the impregnation of graphite yarn with a metal matrix by a process which includes enhancing the wettability of the graphite yarn by initially immersing the yarn in a...
3753667 ARTICLES HAVING ELECTROLESS METAL COATINGS INCORPORATING WEAR-RESISTING PARTICLES THEREIN  
There are disclosed processes for electroless metallizing workpieces to provide thereon a metal coating incorporation therein non-metallic wear-resisting particles and the coated workpieces...
3753694 PRODUCTION OF COMPOSITE METALLIC ARTICLES  
Composites formed of incompatible constituents, i.e., constituents which are mutually insoluble, are produced by introducing at least one such constituent in coated form into a molten bath of the...
3743895 COPPER PLATED BASE PLATE WITH NICKEL PLATED INSERT FOR SEMICONDUCTOR COMPONENT HOUSING  
A base plate for semiconductor component housings. The base plate is characterized in that only the portion of the base plate, to which the semiconductor is soldered, is nickel plated while the...