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| Number | Title | Issue Date |
| 7361412 | Nanostructured soldered or brazed joints made with reactive multilayer foils Self-propagating formation reactions in nanostructured multilayer foils provide rapid bursts of heat at room temperature and therefore can act as local heat sources to melt solder or braze layers and join materials. This reactive joining method provides very localiz... | 04/22/2008 |
| 7338630 | Free-cutting steel and fuel injection system component using the same The present invention is to provide a free-cutting steel capable of suppressing production of coarse inclusions, and having a high fatigue strength and a desirable machinability. The free-cutting steel aimed at solving the foregoing problems consists essentially of,... | 03/04/2008 |
| 7312974 | Electrostatic chuck The electrostatic chuck includes: a conductive base formed of metal or both metal and ceramics, serving as a chucking electrode; and an insulating film formed on one principal plane of the conductive base, the top face of the insulating film serving as a placing sur... | 12/25/2007 |
| 7267757 | Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor At least one of lower and upper magnetic cores is composed of magnetic films each of which contains two or more elements of Co, Ni, and Fe, which are formed by electroplating in a plating bath with pH 2 or less, and which have a saturation magnetic flux density of 2... | 09/11/2007 |
| 7226493 | Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy The present invention relates to a method for grain refining of steel. A grain refining alloy having a composition FeXY where X is one or more elements selected from the group consisting of Cr, Mn, Si, Ni, and Mo and where Y is one or more oxide and/or sulphide and ... | 06/05/2007 |
| 7175687 | Advanced erosion-corrosion resistant boride cermets A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, ... | 02/13/2007 |
| 7169731 | Method for the synthesis of a fuel cell electrocatalyst A method for forming a supported metal-containing powder. The method comprises forming a dispersion of a particulate support in a solution, which comprises a solvent and a dissolved metal. Heat is removed from the dispersion to precipitate the dissolved metal from t... | 01/30/2007 |
| 7074253 | Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance Cermets are provided in which a substantially stoichiometric metal carbide ceramic phase along with a reprecipitated metal carbide phase, represented by the formula MxCy, is dispersed in a metal binder phase. In MxCy M is ... | 07/11/2006 |
| 7011139 | Method of continuous casting non-oriented electrical steel strip Non-oriented electrical steels are widely used as the magnetic core material in a variety of electrical machinery and devices, particularly in motors where low core loss and high magnetic permeability in all directions of the strip are desired. A method for producin... | 03/14/2006 |
| 6955112 | Multi-structure metal matrix composite armor and method of making the same A lightweight armor system may comprise multiple reinforcement materials layered within a single metal matrix casting. These reinforcement materials may comprise ceramics, metals, or other composites with microstructures that may be porous, dense, fibrous or particu... | 10/18/2005 |
| 6935405 | Sink compound laminate modeling process A sink compound laminate molding process having a copper material in thickness of 0.1-0.8 mm placed at the bottom of the molding cavity with the bottom of the copper laminate fully bound to the bottom of the molding cavity, the copper being heated up to 300-600° C.... | 08/30/2005 |
| 6918973 | Alloy and method of producing the same In accordance with a preferred embodiment of the invention, an alloy or other composite material is provided formed of a bulk metallic glass matrix with a microstructure of crystalline metal particles. The alloy preferably has a composition of (XaNib... | 07/19/2005 |
| 6905651 | Ferritic stainless steel alloy and its use as a substrate for catalytic converters A ferritic stainless steel alloy useful as a substrate for catalytic converter material consists of, by weight: 15-21% Cr, 8-12% Al, 0.01-0.09% Ce, 0.02-0.1% total of REM, and possible minor amounts of further elements, other than the ones mentioned, the balance bei... | 06/14/2005 |
| 6893727 | Metal gasket and a material for its manufacture and a method for their manufacture This invention relates to a stainless steel gasket having markedly improved strength and fatigue properties due to precipitation strengthening. Its composition comprises C: at most 0.03%, Si: at most 1.0%, Mn: at most 2%, Cr: 16.0%-18.0%, Ni: 6.0%-8.0%, N: at most 0... | 05/17/2005 |
| 6800146 | Magnetic circuit member A magnetic circuit member contains a matrix portion including iron and silicon; and graphite particles in the matrix. Each of the graphite particles has either a spherical shape or a compact vermicular shape. The inclusion of graphite particles having a relatively l... | 10/05/2004 |
| 6702981 | Low-carbon, low-chromium carburizing high speed steels High speed steel (HSS) compositions having less C and Cr contents than standard grades of HSS to permit carburization using conventional techniques. The alloys contain less than 0.40 wt. % C and less than 2% Cr. The low Cr content is a critical factor in ... | 03/09/2004 |
| 6582835 | Coated ferrite stainless steel sheet usable in the automobile exhaust sector Dip-coated ferrite stainless steel sheet usable in the automobile exhaust sector, characterized in that it comprises a steel core with the following composition by weight: 10.5%ࣘchromiumࣘ20% 0%ࣘaluminumࣘ0.6% 0.003%ࣘcarbonࣘ0.06% 0.003%ࣘnitrogenࣘ... | 06/24/2003 |
| 6572713 | Grain-refined austenitic manganese steel casting having microadditions of vanadium and titanium and method of manufacturing An austenitic manganese steel microalloyed with nitrogen, vanadium and titanium used for castings such as mantles, bowls and jaws manufactured as wear components of crushers in the mining and aggregate industries, hammers used in scrap shredders, frogs an... | 06/03/2003 |
| 6568061 | Method for controlling composite preform elements during processing A method of retaining composite preforms in the nature of fiber/metal matrix composites in position during processing, comprising the steps of positioning a predetermined assembly of fibers and metal matrix on a mandrel. The metal matrix may be in the for... | 05/27/2003 |
| 6361624 | Fully-stabilized steel for porcelain enameling A method of producing a fully stabilized extra low carbon porcelain enameling steel having excellent formability and fish scaling resistance as well as superior enamel adherence. The method includes hot rolling a slab to strip, the slab having a compositi... | 03/26/2002 |
| 6206983 | Medium carbon steels and low alloy steels with enhanced machinability The invention relates to medium carbon steels and low alloy steels having a concentration of a machinability enhancing agent ("MEA"), i.e. tin and/or antimony, at its ferrite grain boundaries which enhances the steel's machinability and to processes for p... | 03/27/2001 |
| 6174385 | Ferritic heat resistant steels A method of designing a ferritic iron-base alloy having excellent characteristics according not to the conventional trial-and-error technique but to a theoretical method, and a ferritic heat-resistant steel for use as the material of turbines and boilers ... | 01/16/2001 |
| 6149862 | Iron-silicon alloy and alloy product, exhibiting improved resistance to hydrogen embrittlement and method of making the same An alloy and alloy product has about 1.3% to 1.7% by weight concentration of silicon, along with iron, alloying elements, and inevitable impurities and exhibits improved resistance to hydrogen embrittlement and sulfide stress cracking in an intensive hydr... | 11/21/2000 |
| 6117389 | Titanium killed steel sheet and method Titanium killed steel sheets which are not troubled by nozzle clogging while they are produced in a continuous casting process, have few surface defects caused by cluster-type inclusions, and are highly rust resistant, and are formed from a melt of titani... | 09/12/2000 |
| 6077324 | Method for producing alloyed steels In a method for producing alloyed steels, wherein in a first manufacturing step iron carriers are to a great extent decarburized and dephosphorized by means of oxygen and after removal of the slag resulting therefrom the melt is adjusted to the desired al... | 06/20/2000 |
| 6039920 | Process for making rhenium-containing alloys A process for making iron, cobalt and/or nickel base alloys containing rhenium. The process involves melting together the components that form the alloys, at least one of the components being a rhenium master alloy having 30 to 70 wt % rhenium, then casti... | 03/21/2000 |
| 6030507 | Process for making a crystalline solid-solution powder with low electrical resistance A process for making a crystalline solid-solution powder which involves reacting at least two reactants in a plasma arc of a plasma chamber and blast-cooling the resultant product in a high velocity gas stream to form the powder. The first reactant is a m... | 02/29/2000 |
| 5803947 | Method of producing metallic magnesium, magnesium oxide or a refractory material Metallic magnesium and pure magnesium oxide are produced by carbothermal reduction of starting materials such as magnesium oxide containing minor amounts of oxides of Fe, Si, Ca and Al, and/or magnesium silicate minerals, such as olivine, at subatmospheri... | 09/08/1998 |
| 5656103 | Steel strap and method of making A non-heat treated, high tensile strength, highly formable steel strap that may be applied in a tensioned loop about packaged articles with a strapping machine. The strap is fabricated from a steel comprising approximately, 0.20 to 0.25 percent carbon, 0.... | 08/12/1997 |
| 5466363 | Integrated process for hydrotreating heavy oil, then manufacturing an alloy or steel using a carbon-based catalyst Use of a carbon-based catalyst composition, particularly activated-carbon, optionally containing at least one metal selected from Ni, Co, Mo, W, Fe, or mixtures thereof, for heavy oil hydroprocessing. Recovery and partial gasification of the catalyst to p... | 11/14/1995 |
| 5405578 | Method for preparing master alloy hardeners for use in preparing an aluminum alloy This invention relates to master alloy hardeners for use in preparing aluminum base alloys. The respective concentrations of the alloying elements in the master alloy hardener are a multiple equal to or greater than 2 of the concentrations of such element... | 04/11/1995 |
| 5391348 | Apparatus and method for making steel alloys in a tundish A method and apparatus are provided for making steel alloys directly in a tundish. Base steel enters the tundish from a ladle. An alloying chamber having a plurality of inlets is positioned above a tundish drain. An alloying material (for example, a wire ... | 02/21/1995 |
| 5322113 | Method of producing amorphous alloy thin strip for commercial frequency band transformers A method of producing amorphous alloy thin strip suitable for use in commercial frequency band transformers utilizes a high-quality molten steel suitable for electromagnetic silicon steel plates but containing insufficient silicon and boron. The molten st... | 06/21/1994 |
| 5288342 | Solid metal-carbon matrix of metallofullerites and method of forming same A metallic solid comprising an metal-carbon matrix of an allotropic metal and metallofullerites of the allotropic metal is disclosed, along with an associated method of forming the solid by interrupting and temporarily holding a metal-carbon melt at the p... | 02/22/1994 |
| 5200145 | Electrical steels and method for producing same The present invention relates to a novel process for producing silicon and/or aluminum containing iron alloy product as well as the material produced from same in either sheet or bulk structure form for electromagnetic circuit application. The process ent... | 04/06/1993 |
| 5104460 | Method to manufacture titanium aluminide matrix composites A method for fabricating a composite structure consisting of a filamentary material selected from the group consisting of silicon carbide, silicon carbide-coated boron, boron carbide-coated boron, titanium boride-coated silicon carbide and silicon-coated ... | 04/14/1992 |
| 5100614 | Iron-rich metallic glasses having high saturation induction and superior soft induction and superior soft ferromagnetic properties A magnetic metallic glass alloy exhibits, in combination, high saturation induction and high Curie temperature. The alloy has a composition described by the formula Fea Cob Nic Bd Sie Cf, w... | 03/31/1992 |
| 5059490 | Metal-ceramic composites containing complex ceramic whiskers The present invention relates to the formation of whisker reinforced metal matrix composites in which complex boride or carbide whiskers having an aspect ratio of greater than 10:1 are distributed throughout a metal, metal alloy, or intermetallic matrix. ... | 10/22/1991 |
| 5030519 | Tungsten carbide-containing hard alloy that may be processed by melting 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, from about 2 to abo... | 07/09/1991 |
| 5011798 | Chromium additive and method for producing chromium alloy using the same A chromium additive of the formula: Crx Cy Oz where 0.04ࣘyࣘ0.35, and 0.03ࣘzࣘ0.30 for x=1, said additive having an X ray diffraction peak at d=3.32 Å (2θ=26.8°).... | 04/30/1991 |
