Matches 1 - 44 out of 44


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8894778 Carburized and high-frequency hardened part having high strength  
The present invention relates to a mechanical part, which is obtained by: processing a steel into a shape of a part, the steel having an alloy composition containing, by weight percent, C: 0.10 to...
8747519 Method for recovering metal copper from coated copper wires  
A method selectively recovers a useful substance from waste including a chlorine-containing synthetic resin and metal copper in a mixed state. Metal copper is recovered from coated copper-wire...
8636947 Metal separator for fuel cell and surface treatment method thereof  
The present invention provides an improved metal separator for a fuel cell and a method for preparing same. More particularly, the invention provides a metal separator for a fuel cell, whereby the...
8529708 Carburized ballistic alloy  
A method for making armor plate that is resistant to armor piercing small arms ammunition is provided. The armor plate includes a steel plate having a nominal chemical composition in weight...
8398929 Device and method for producing a tubular refractory metal compound structure  
The disclosure provides a device and method used to produce a tubular structure made of a refractory metal compound. In particular, the disclosure provides a device and method used to produce a...
8394207 Cylinder jacket and method for producing the same  
The invention relates to a method for producing a cylinder jacket, comprising the following steps: producing a cylindrical starting product from a steel material having a carbon content of not...
8337639 Die reinforcing method and die repairing method  
A mixed powder layer is applied by coating to a cavity of a forging die made of an Fe-base alloy, at least to the region of the cavity to be reinforced or repaired, the mixed powder layer...
8246761 Workpiece designed for rolling stresses and formed of fully hardening steel, and a heat treatment process therefor  
A workpiece is designed for rolling stresses and includes a body having a core zone and a carbonitrided surface zone which surrounds the core zone. The workpiece body is formed of a fully...
8172957 Method of manufacturing carburized parts  
To provide a method of manufacturing a carburized part contributable to cost reduction, a portion intended for a non-carburizing portion is treated to a surface roughness corresponding to Rz 50...
7846272 Treated austenitic steel for vehicles  
A treated austenitic steel and method for treating same includes an austenitic steel and a non-metal chemical element incorporated into a surface of the steel. The surface has a bi-layered...
7811390 Method for producing carburized parts  
A method for producing a carburized part by carburizing a steel member under a vacuum in a decompression furnace while feeding carburizing gas comprises a step for forming an oxide film on at...
7718116 Forged carburized powder metal part and method  
A method for obtaining a selectively non-carburized powdered metal part. The steps include compacting, sintering, removing, forging and cooling. A metal powder is compacted to form a preform...
7650710 Article with enhanced resistance to thermochemical erosion, and method for its manufacture  
A body of iron, steel or other such ferrous material is protected from thermochemical erosion by a layer of an iron nitride having a relatively low nitrogen content. The atomic percentage of...
7544631 C and N-doped titaniumoxide-based photocatalytic and self-cleaning thin films and the process for production thereof  
The present invention provides for titanium oxide-based photocatalysts having a general formula of TiO2-X-δCXNδ and self-cleaning materials that are prepared by substituting O of pure TiO2 with C...
7524791 Method for producing substrate having carbon-doped titanium oxide layer  
A method for producing a substrate having a carbon-doped titanium oxide layer, which is excellent in durability (high hardness, scratch resistance, wear resistance, chemical resistance, heat...
7521081 Method for reducing reactivity of ferroalloys used in fabricating coated stick welding electrodes  
Methods are presented for reducing reactivity of ferroalloys used in the manufacture of stick welding electrodes with ferroalloy coatings, in which surface metal silicon of ferroalloy powder is...
7264682 Titanium boride coatings on titanium surfaces and associated methods  
A borided titanium article can include a titanium mass having titanium monoboride whiskers infiltrating inward from a surface of the titanium mass to form an integral surface hardened region. The...
6982120 Hardened steel components and process of treating the same  
The invention relates to components made of steel, more particularly outer joint parts and inner joint parts of constant velocity joints, and to a process of heat treating such components made of...
6964712 Hardening protection compositions for partial carburization of metallic components  
Hardening protection compositions based on substances which form boron glass for partial carburization of metallic components, which contain magnesium-silicon compounds as an additive. These...
6605160 Repair of coatings and surfaces using reactive metals coating processes  
This invention pertains to the repair of parts comprising metals, and surfaces and coatings of these parts using reactive metals coating processes. Processes such as chemical vapor deposition...
6552280 Surface-hardened austenitic stainless steel precision weight and process of making same  
A precision weight (1) has greater permanence of mass due to a hardened surface layer that provides greater wear and scratch resistance as well as greater corrosion resistance. The hardened...
6458220 Case hardened steel blades for sports equipment and method of manufacture  
Steel alloys susceptible to case and core hardening comprise 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or...
6302971 Process for making moveable pulley half  
A pulley useable with a driving belt in a continuously variable transmission, including a moveable pulley half having an integral cylinder portion integrally formed therewith by plastic working....
5910223 Steel article having high hardness and improved toughness and process for forming the article  
A steel article is formed of a steel material containing from about 0.08 to about 0.35 carbon and is characterized by having a plurality of carbides dispersed on at least one pre-selected surface...
5669988 Corrugating roll and manufacturing method thereof  
Object: Prevention of generation of press marks as well as increase of wear resistance at a corrugation tip portion and thereby providing a corrugating roll having a much improved...
5573604 Process for manufacturing a turbine blade made of an (alpha/beta)-titanium base alloy  
The process serves for the manufacture of an erosion-resistant turbine blade which is preferably used in the low-pressure stage of a steam turbine and is made of a vanadium-containing...
5571341 Thermochemical treatment of thin-walled structural steel elements  
A process for the thermochemical treatment of thin-walled structural elements made of steel comprising enriching an edge zone of a thin-walled structural element with nitrogen and carbon at 590°...
5498299 Process for avoiding surface oxidation in the carburization of steels  
The surface oxidation under carburization temperatures of steels during the carburization with carbon-containing gas mixtures is avoided by heating the steels to the carburization temperature...
5342455 In-situ generation of heat treating atmospheres using a mixture of non-cryogenically produced nitrogen and a hydrocarbon gas  
A process for generating in-situ low-cost atmospheres suitable for annealing and heat treating ferrous and non-ferrous metals and alloys, brazing metals, sealing glass to metals, and sintering...
5272015 Wear resistant hyper-eutectic aluminum-silicon alloys having surface implanted wear resistant particles  
Hyper-eutectic aluminum-silicon alloys are surface treated with nitrogen and carbon by ion implantation means so as to form hard, wear resistant particles of silicon nitride and silicon carbide...
5131585 Method for brazing with simultaneous carburization  
A ferric article is brazed by a copper solder at a temperature of or higher than 1,100° C. in a heat-treatment furnace, parts of the article which are desired to be carburized, are carburized...
5039357 Method for nitriding and nitrocarburizing rifle barrels in a fluidized bed furnace  
A method for nitriding and nitrocarburizing the bores of rifle barrels or similar elongated hollow objects in which a funnel is attached to the inlet end of each of rifle barrel prior to...
4858294 Method of producing an object, in particular a rolling bearing, consisting of at least two moving parts locked into each other  
A method of producing an object of at least two parts movable relative to each other, one of which parts is essentially locked inside the other, and wherein a rolling bearing is disposed, between...
4554217 Process for creating wear and corrosion resistant film for magnetic recording media  
A process for forming a magnetic recording member composed of a substrate, a magnetic film, and a protective layer. The magnetic film is deposited on the substrate by means of DC or RF sputtering...
4358046 Oriented graphite layer and formation  
An oriented graphite layer is formed on a metallic substrate by providing a coating of particulate carbon thereon, heating the coated substrate in a non-reactive atmosphere to a temperature of...
4035204 Method of carburizing the inner surface of a steel valve seat  
To carburize the inner surface of hollow, narrow work pieces, such as valve seats in blind bores, and avoid the use of salt baths which have residues containing Prussic acid, a mandrel is made...
4018631 Coated cemented carbide product  
Improved adherence of oxide coatings on cemented carbide substrate containing tungsten and cobalt is attained by forming on the substrate a coating selected from carbide, nitride, carbonitride and...
3964937 Method of making a composite coating  
Disclosed is a composite coating for wear surfaces comprising a layer of vapor deposited titanium nitride overlying a layer of titanium carbide. The composite coating is formed by successive...
3944443 Ultra high temperature chemical reactions with metals  
A method for treating metals and metal surfaces is disclosed. The method includes the use of a plasma gas generated by an induction plasma system. In one embodiment, a cutting tool, such as a saw...
3790413 PROCESS FOR A CONTINUOUS HEAT TREATMENT AND APPARATUS THEREFOR  
A heat treating process for a link chain or a similar article, characterized wherein a link chain or a similar article is conveyed through a high frequency induction coil and simultaneously heated...
3728051 IRON OR STEEL COMPONENTS OF A ROTARY PISTON MACHINE  
The friction surface of a cast iron side wall member for a rotary piston engine is hardened by iontriding in an electrical glow discharge in a gas atmosphere containing nitrogen, after coating the...
3421953 CARBIDE DEPOSITION ON TANTALUM  
3398443 Method of manufacturing an assembly of friction elements  
3052015 High conductivity anode material  

Matches 1 - 44 out of 44