| Patents for C23C 8 - Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (10,951) |
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| 08/03/2000 | WO2000044961A1 Surface treating method |
| 08/03/2000 | WO2000044958A1 Method of preserving surface-treated member |
| 08/03/2000 | WO2000044511A1 Hardened steel security materials |
| 08/03/2000 | DE19618477C2 Herstellungsverfahren für ein nitriertes Bimetallventil Manufacturing method for a nitrided bimetal valve |
| 08/02/2000 | EP1024212A2 Wear resistant copper or copper base alloy, method of preparing the same and electrical part using the same |
| 08/01/2000 | US6095692 Durability; abrasion resistance, corrosion resistance; pitting resistance |
| 07/27/2000 | WO2000009773A3 Selective case hardening processes at low temperature |
| 07/26/2000 | CN1054891C Method of improving the wear and corrosion resistance of ferrous metal parts |
| 07/26/2000 | CN1054890C Method of nitriding ferrous metal parts having improved corrosion resistance |
| 07/25/2000 | US6093645 Elimination of titanium nitride film deposition in tungsten plug technology using PE-CVD-TI and in-situ plasma nitridation |
| 07/25/2000 | US6093369 A nickel-based matrix including about 19-23 chromium and about 3-6 aluminum, a self-healing thermodynamically stable oxide protective layer formed on the surface of the matrix which is exposed to the oxidizing environment |
| 07/25/2000 | US6093303 Low temperature case hardening processes |
| 07/25/2000 | US6093263 Soft nitrided gear and method of fabricating the same |
| 07/25/2000 | US6093259 Metallic titanium is treated with an alkali solution, then nitriding; black titanium is produced with low brightness |
| 07/20/2000 | WO2000042239A1 Metal material having formed thereon chromium oxide passive film and method for producing the same, and parts contacting with fluid and system for supplying fluid and exhausting gas |
| 07/20/2000 | WO1999051794A9 Method for developing an enhanced oxide coating on a component formed from stainless steel or nickel alloy steel |
| 07/20/2000 | CA2359832A1 Metal material having formed thereon chromium oxide passive film and method for producing the same, and parts contacting with fluid and system for supplying fluid and exhausting gas |
| 07/19/2000 | EP1019561A1 Method and device for joint oxydation and heat treatment of workpieces |
| 07/19/2000 | CN1054647C Process for making composite articles |
| 07/18/2000 | US6090225 Process for manufacturing a carburized or carbonitrided steel component, and steel for the manufacture of this component |
| 07/18/2000 | US6090223 Chromium nitride film and method for forming the same |
| 07/13/2000 | WO2000040520A1 Electrically conductive ceramics |
| 07/11/2000 | US6086741 Process for sulfurizing treatment of ferrous articles |
| 07/11/2000 | US6086684 Coating layer formed on surface of metal workpiece; nitriding treatment performed on coating layer; hardness, wear resistance |
| 07/05/2000 | EP1016734A1 Method of oxidizing inner surface of ferritic stainless steel pipe |
| 07/05/2000 | CN2386048Y Out-layer auxiliary heat controllable cooling ion bombardment heat treatment furnace |
| 07/05/2000 | CN1258556A Equipment and method to exhaust nitridation waste gas and recover residual ammonia |
| 07/04/2000 | USRE36760 Method and apparatus for altering material using ion beams |
| 07/04/2000 | US6083455 Steels, steel products for nitriding, nitrided steel parts |
| 06/28/2000 | EP1013779A2 Method of treating and smoothing sliding surface |
| 06/28/2000 | CN1257939A Ion bombardment ageing and surface strengthening method for Ti alloy |
| 06/28/2000 | CN1257938A Direct decomposition type carburization process |
| 06/28/2000 | CN1054008C Mfg. method for thrust screw specially used on electric boss rod and thrust screw |
| 06/27/2000 | US6080477 Cutters of cobalt enriched vapor deposited titanium carbonitride on carbide cement |
| 06/27/2000 | US6079293 Push rod ball |
| 06/22/2000 | WO2000036164A1 Wear resistant dimensionally stable bearing component for high temperature applications |
| 06/21/2000 | DE19857156A1 Verfahren zum Herstellen eines Bleches aus martensitaushärtendem Stahl A method of manufacturing a sheet of maraging steel |
| 06/20/2000 | US6077561 Reacting nickel fluoride surface with hydrocarbon gas to form carbon layer; carbonization |
| 06/20/2000 | US6077370 Manufacturing such structures by heat treatment of metals; gas and liquid flow dividers used in heat exchangers, mufflers, filters, catalytic carriers used in various chemical industries and in emission controls for vehicles, etc. |
| 06/20/2000 | CA2185688C Long-life carburizing bearing steel |
| 06/16/2000 | CA2291804A1 Boronized wear-resistant materials and methods thereof |
| 06/15/2000 | WO2000034991A2 Method of producing a metal oxide film or a structured metal oxide film |
| 06/15/2000 | WO2000034703A1 Gate valve for pipelines and spindle for the same |
| 06/15/2000 | WO2000034702A1 Shut-off valve for pipelines and valve stem for the same |
| 06/15/2000 | WO2000034546A1 Stainless steel having passive fluoride film formed thereon and equipment manufactured therefrom |
| 06/15/2000 | WO2000009773A9 Selective case hardening processes at low temperature |
| 06/14/2000 | EP1008659A1 Process for producing a maraging steel sheet |
| 06/14/2000 | EP1007763A1 Method of reducing metal contamination during semiconductor processing in a reactor having metal components |
| 06/14/2000 | CN2382724Y Atmospheric non-balance ion permeating furnace |
| 06/14/2000 | CN1053475C Bacteria culturing device for microbe-preoxidation gold-lixiviating tech. |
| 06/13/2000 | US6074538 Thin film forming equipment |
| 06/13/2000 | US6074494 Surface nitriding method of an aluminum material, and an auxiliary agent for nitriding |
| 06/13/2000 | US6074493 Method of continuously carburizing metal strip |
| 06/08/2000 | WO2000032837A1 Process for nitriding metal articles and salt bath and composition for use in the process |
| 06/08/2000 | WO2000032828A1 Hard material sintered compact with a nickel- and cobalt-free, nitrogenous steel as binder of the hard phase |
| 06/08/2000 | WO2000023201A9 Superalloy component with abrasive grit-free coating |
| 06/08/2000 | WO2000018977A3 Method for vacuum coating metal components |
| 06/08/2000 | DE19955565A1 Wälzkörper und Verfahren zu seiner Herstellung Rolling elements and process for its preparation |
| 06/08/2000 | DE19856084A1 Verfahren zur Herstellung einer Metalloxidschicht bzw. einer strukturierten Metalloxidschicht A process for producing a metal oxide layer or a structured metal oxide |
| 06/08/2000 | DE19855422A1 Hartstoff-Sinterformteil mit einem nickel- und kobaltfreien, stickstoffhaltigen Stahl als Binder der Hartstoffphase Hard sintered molded part having a nickel- and cobalt-free, nitrogen-containing steel as a binder of the hard phase |
| 06/07/2000 | EP1006211A1 Method and apparatus for plasma treatment of substrates |
| 06/06/2000 | US6071590 Oxidation of metals such as iron, nickel, copper, titanium |
| 06/06/2000 | US6071570 Electrodes of improved service life |
| 06/06/2000 | CA2121923C Gear making process |
| 05/31/2000 | EP1004543A1 Production method of iron carbide |
| 05/31/2000 | EP0885315B1 Misted precursor deposition apparatus and method with improved mist and mist flow |
| 05/30/2000 | US6068712 Forming a weathering protective rust on a surface of a steel product by subjecting the steel to a controlled atmosphere with constant dew point, and repeatedly varying temperature above and below dew point to form protective rust on surface |
| 05/30/2000 | US6068568 Silent chain |
| 05/25/2000 | WO2000029325A1 Method for producing wolfram carbides by gas-phase carburetion |
| 05/25/2000 | DE19852450A1 Verfahren zur Oberflächenhärtung von Formkörpern aus Gußwerkstoff sowie dadurch hergestellte Formkörper und deren Verwendung A process for surface hardening of molded bodies of cast material, and molded articles produced thereby, and their use |
| 05/25/2000 | CA2350576A1 Method for producing wolfram carbides by gas-phase carburetion |
| 05/24/2000 | EP0876516B1 Process for producing wear-resistant boride layers on metal material surfaces |
| 05/24/2000 | CN1254327A Method of manufacturing refractory article and refractory article manufactured thereby |
| 05/18/2000 | WO2000028102A1 High-temperature rolling bearing part |
| 05/18/2000 | WO2000028098A1 Apparatus and process for treating a particulate material within a rotating retort |
| 05/18/2000 | DE19852459A1 Verfahren zur Herstellung von Wolframkarbiden durch Gasphasenkarburierung A process for producing tungsten carbides by Gasphasenkarburierung |
| 05/17/2000 | EP1001181A2 Rolling or sliding parts |
| 05/17/2000 | EP1001040A1 Process for surface hardening of workpieces from casting materials, workpieces produced thereby and their use |
| 05/17/2000 | EP1000181A1 Process for the treatment of austenitic stainless steel articles |
| 05/17/2000 | EP1000180A1 Method of case hardening |
| 05/17/2000 | EP0750530B1 Low-temperature oxidation at surfaces using ozone decomposition products formed by microwave discharge |
| 05/16/2000 | US6063155 Fluidized bed process for the production of iron carbide |
| 05/11/2000 | DE19851766A1 High temperature nitriding of ferrous products includes producing one homogeneous nitrogen austenitic layer at specified temperature range and raising the nitride number |
| 05/11/2000 | DE19849781A1 Spritzgegossener weichmagnetischer Pulververbundwerkstoff und Verfahren zu seiner Herstellung An injection molded soft-magnetic powder composite material and process for its preparation |
| 05/09/2000 | US6060174 Composite comprising a substrate and a layer of a basecoat of iron, cobalt and/or nickel and chromium, aluminum and yttrium where it contains boron in a concentration gradient; high density; quality |
| 05/09/2000 | CA2012270C A device for carrying out sequential thermal treatments under a vacuum |
| 05/04/2000 | WO2000025326A1 Injection-molded soft-magnetic powder composite material and method for producing the same |
| 05/04/2000 | WO2000024945A1 Member of air motor |
| 05/03/2000 | EP0996757A1 Titanium based carbonitride alloy with nitrided surface zone |
| 05/03/2000 | CN1252108A Method for reducing metal contamination during semiconductor processing in reactor having metal components |
| 05/03/2000 | CN1052027C Pastes for coating of substrates, methods for manufacturing them and their use |
| 05/02/2000 | US6056849 Apparatus for the surface treatment of workpieces by means of a plasma |
| 05/02/2000 | US6056831 Process for chemically and mechanically enhancing solder surface properties |
| 04/27/2000 | WO2000023201A1 Superalloy component with abrasive grit-free coating |
| 04/20/2000 | DE19845803A1 Verfahren zum Erzeugen einer homogenen Oxidschicht auf Metallbauteilen A method for generating a homogeneous oxide layer on metal components |
| 04/20/2000 | DE19842515C1 Surface treatment of metallic materials comprises plasma-activated thermo-chemical diffusion of a property-changing material from the plasma of a gaseous treatment atmosphere using a target positioned in an electric field |
| 04/19/2000 | EP0994200A1 Threaded parts for aircraft |
| 04/18/2000 | US6051203 Transforming steel to hematite; oxidation; reducing to magnetite |
| 04/18/2000 | US6051080 Rolling element used for toroidal-type continuously variable transmission and method for producing same |
| 04/18/2000 | US6051078 Method and apparatus for controlling the atmosphere in heat treatment furnace |