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WO/1994/017536A1 |
The present invention provides a new and useful via fill paste for use in the construction of electronic circuit devices. The unique via fill paste is capable of electrically connecting conductive layers (10) made of dissimilar metals su...
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WO/1994/011541A1 |
A method of making an engineering ferrous metal comprising the steps of adding to liquid engineering ferrous metal solid alloy carbide particles and thereafter permitting the ferrous metal to solidify. The alloy carbide particles are coa...
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WO/1994/011128A1 |
A cermet material, a composite roll comprising a core and a hardfacing of the cermet material, and a method of forming the composite roll are disclosed. The cermet material comprises particles of niobium carbide and an alloy, with the co...
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WO/1994/006588A1 |
An iron powder and mixed powder for powder metallurgy as raw materials for producing sintered mechanical components by adding Cu powder and graphite powder to iron powder and rolling and sintering the mixture, 0.008 to 0.5 wt.% of at lea...
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WO/1994/007252A1 |
A material for electric contacts based on silver-tin oxide is obtained by mixing a powder of silver or an alloy mainly containing silver with a powder consisting mainly of tin oxide and 0.01 to 10 wt. % (in relation to the quantity of ti...
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WO/1994/004468A1 |
A method for producing mineral wool of a material which is highly fluid at an elevated liquidus temperature in particular above 1,200 �C, with a viscosity of less than 5,000 poises at liquidus temperature, is proposed wherein the molte...
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WO/1994/002297A1 |
According to the invention there is now provided a sintered hard alloy for tools for cutting wood. The alloy according to the invention comprises 30-98 volume-% hard constituents in a binder-phase based on nickel and/or cobalt. The hard ...
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WO/1994/002654A1 |
The present invention relates to an improved filler material for use in forming metal matrix composites. Particularly, the filler has specific characteristics which enhance formation processes and/or improve the mechanical and/or physica...
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WO/1994/000609A1 |
Material used essentially in friction elements of synchros consisting of a metal matrix with inclusions in the form of particles having a hardness preferably higher than 600 HVO.1, and a size comprised between 5 and 300 micrometers and f...
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WO/1993/026021A1 |
A material for electrical contacts based on silver-tin oxide which contains tin oxide regions and further oxides and/or carbides in a matrix of silver or an alloy consisting mainly of silver. The further oxides and carbides are contained...
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WO/1993/017441A1 |
The contact material, especially for contacts in low-voltage switches, consists of silver and other active components. According to the invention, the active components are a titanium carbide and rhenium or a rhenium compound. Here, the ...
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WO/1993/017139A1 |
A method for preparing a composite material comprises the steps of providing a first mixture of a molten aluminum-base matrix alloy having at least about 4 percent by weight magnesium, and a mass of discontinuous reinforcing particles th...
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WO/1993/016830A1 |
Dual phase sputter targets consisting essentially of TiN and Al, methods of manufacture thereof, and cathodic sputtering methods using such targets are disclosed. The targets are prepared by blending TiN and Al powders followed by compac...
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WO/1993/016349A1 |
The disclosure herein describes a lead free, non abrasive, frangible practice ammunition comprising a compacted mixture of fine copper powder and of a thermoplastic resin selected from the group consisting of nylon 11 and nylon 12. The m...
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WO/1993/016207A1 |
The invention concerns a sintered material, in the form of a powder with an iron matrix and containing graphite, for the production of frictionally locking elements. The sintered material is designed to have an adequate coefficient of fr...
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WO/1993/015133A1 |
A powder composition of iron-based powder particles to which is bonded a polymeric material is prepared by making a dry admixture of the iron-based particles and particles of the polymer, wetting the admixture with a solvent for the poly...
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WO/1993/014238A1 |
A method of making silver-metal oxide materials suitable for use in electrical contacts includes oxidizing a silver-solute metal alloy in an oxidizing atmosphere. The oxidizing atmosphere has a sufficient amount of halide to inhibit the ...
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WO/1993/008311A1 |
A cast composite material having little spinel therein is formed from a mixture having a composition of from about 5 to about 35 volume percent of aluminum oxide reinforcing particles and from about 95 to about 65 volume percent of a mol...
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WO/1993/005189A1 |
The invention provides a process for producing an aluminium-based matrix melt, having boride particles dispersed therein, which is castable, and yet when cast produces a product having a surprisingly good combination of mechanical proper...
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WO/1993/002977A1 |
The only methods hitherto available for the production of mineral wool from materials such as basalt either utilize a stationary nozzle (blast drawing method) or external centrifuging whereby unsatisfactory yield and/or a not entirely sa...
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WO/1992/021783A1 |
It is proposed, to improve the wearing properties, to add boron carbide to a metal-based material whereby, on the application of abrasive stress in the peripheral regions near the surface, a wear protection layer consisting of finely div...
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WO/1992/022080A1 |
The material used for contacts in low-voltage switches, in particular, consists of silver and other active components. The invention calls for a combination of iron oxide (Fe�2?O�3?/Fe�3?O�4?) present in a proportion between 1 an...
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WO/1992/020829A1 |
Magnetostrictive powder composite and method for the manufacturing of the magnetostrictive powder composite. The powder composite according to the invention is preferably used as a magnetostrictive element in sound projectors and vibrati...
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WO/1992/018763A1 |
Engine block cylinder liners are formed from high melting temperature aluminum alloy composites. A cast composite is first formed from a high melting temperature aluminum alloy, e.g. Al-Mn, Al-Cr, Al-Ni, Al-Fe or Al-Cr-Zr, and refractory...
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WO/1992/016670A2 |
Place an alloying metal or an inorganic compound containing an alloying metal in contact with at least a portion of the exterior surface of a densified cermet or ceramic body and then heat the cermet body or the ceramic body to a tempera...
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WO/1992/014687A1 |
Dispose a solid-phase metal on a surface of a porous ceramic compact that is at an angle with respect to the horizontal sufficient to allow molten metal formed from the solid-phase metal to rupture an oxide layer that forms on, and at le...
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WO/1992/014942A1 |
Bearings are described having overlay coatings. The overlay coating comprises a soft metallic matrix having incorporated therein from 0.05 to 2 wt% of a hard, non-metallic material, said material exhibiting a Vickers hardness (Hv) of fro...
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WO/1992/013665A1 |
A beryllium metal matrix phase includes up to 70 % by volume of beryllium oxide single crystals dispersed therein. The composites are useful for electronics applications because of their light weight, high strength and effective thermal ...
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WO/1992/013110A1 |
A powdered metallurgical composition comprising copper and zinc, which composition also includes a proportion of 0.1 to 1.5 % by weight of graphite to improve the machinability of an article made from the composition.
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WO/1992/013112A1 |
The present invention discloses a sintered cemented carbide alloy with excellent corrosion and oxidation resistance. The alloy comprises 70-98 weight-% hard material essentially comprising WC in a monophase binderphase. It has surprising...
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WO/1992/011941A1 |
A refining element for disc refiners, where the refining element on the front side is provided with a pattern of refining members, and a method of manufacturing the same. At least a layer on the front side of the element comprises grains...
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WO1992009710A1 |
The invention relates to a method of manufacturing different types of pad materials and to pad materials made by said technique. The methods described by the invention can be used to make self-lubricating porous pads, laminated composite...
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WO/1992/009710A2 |
The present invention relates to a method of fabricating various types of bearing materials and the bearing materials produced thereby. The processes of the invention may be used to produce porous self-lubricating bearings, laminated com...
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WO/1992/009711A1 |
A method is described for preparing a refined or reinforced eutectic or hyper-eutectic metal alloy, comprising: melting the eutectic or hyper-eutectic metal alloy, adding particles of non-metallic refractory material to the molten metal ...
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WO/1992/008560A1 |
A method of making a pressure-molded product from aluminum powder according to this invention consists in a fluoridizing process performed prior to nitriding process. Thus, a passive film such as an oxide film on the surface of aluminum ...
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WO/1992/006223A1 |
A cermet material, a composite roll comprising a steel or iron based core and a hardface of the cermet material, and a method of forming a composite roll by plasma arc welding the cermet material onto the core are disclosed. The hardface...
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WO/1992/005293A1 |
A process is described for extruding metal matrix composite materials, e.g. aluminum matrix composites. The problem of inconsistent extrudate surfaces is solved by controlling the extrusion speed such that it is maintained above a lower ...
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WO/1992/003585A1 |
An aluminum matrix composite material is produced containing spinel as the reinforcing material. The spinel which is used has particle sizes in the range of 5-20 mum and may be of variable composition of MgO:Al2O3 containing 50 to 95 mol...
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WO/1992/001821A1 |
A cast composite material is made from particles and a matrix alloy preselected composition that is difficult to wet to the particles. A wetting alloy having a composition that readily wets the particles is first mixed with the particles...
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WO/1992/000499A1 |
Sub-calibre and standard calibre fin-stabilized projectiles for small, medium and large calibre kinetic energy ammunition, particularly hunting ammunition, are made of a mixed organic/metallic alloy consisting of at least one organic mat...
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WO/1992/000246A1 |
A process for producing particles of magnesium spinel (magnesium aluminate) suitable for reinforcing metal matrix composites. The process involves mixing a waste material containing alumina or a precursor, such as dross residue, ESP dust...
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WO/1991/019823A1 |
A metal matrix composite material containing discontinuous particles in a metallic matrix is prepared by forming a mixture of the molten alloy and the particles in a closed reactor, removing oxygen from the interior of the reactor, stati...
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WO/1991/019027A1 |
A process for producing unagglomerated single crystals of aluminum nitride having a size of at least 10 microns suitable for the reinforcement of metal, ceramic and polymeric matrix composite materials. The process involves reacting alum...
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WO/1991/019015A1 |
A wrought metal alloy product having a tantalum or niobium base metal, 25 to 1000 ppm silicon, and 25 to 1000 ppm molybdenum. Fine uniform grain size contributes to improved tensile strength, processability, and high temperature stability.
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WO/1991/016466A1 |
A matrix-bonded carbide-containing material of high hardness is prepared using a mixture containing a matrix alloy having a composition in weight percent of from about 15 to about 45 percent chromium, from 0 to about 3 percent silicon, f...
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WO/1991/015018A1 |
An inexpensive conductive composition having high electric conductivity, high oxidation resistance, high migration resistance, excellent solder wettability and high resistance to corrosion due to the action of solder and long shelf life....
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WO/1991/014273A1 |
The invention relates to a process for manufacturing a sintered SEFe permanent magnet with a high content of a tetragonal magnetic phase of the SE�2?F�14?B and/or SE�2?Fe�14?C type and high corrosion resistance. The corrosion res...
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WO/1991/012912A1 |
Subject a heated, non-molten, intimate admixture of a base metal and a superconducting oxide material to pressure sufficient to form a densified article. The densified article is either superconducting as formed or capable of being rende...
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WO/1991/009981A1 |
A sintered alloy bearing produced by compaction molding and sintering a composition comprising 20 to 80 wt % of iron, 15 to 77 wt % of copper, 1 to 26 wt % of zinc, 0.5 to 7 wt % or less of lead, 0.5 to 7 wt % of tin and the balance of u...
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WO/1991/008256A1 |
The present invention relates to a composite base material for the preparation of composite sintered materials reinforced with long fibres, characterized in that said matrix is formed from a combination of a polymer organic material and/...
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