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)
12/2000
12/26/2000US6165275 Atmospheric gas generator for heat treatment
12/21/2000WO2000077265A1 Wear-and fracture-resistant steel
12/20/2000CN1277267A Normal-pressure non-equilibrium plasma equipment and technology for reinforcement of metal surface
12/19/2000US6162513 Method for modifying metal surface
12/14/2000WO2000075522A1 Bearing device and method of manufacturing the bearing device
12/14/2000DE19941993C1 Tubular profile manufacturing method for passenger vehicle rear axle uses cold-forming of central part of round cross-section steel tube before localised heating and hardening in water
12/13/2000EP1059364A1 Probe for regulating the gaseous atmosphere in the process of nitriding or of nitrocarburation in atmospheric or low pressure ovens
12/12/2000US6159419 ALN dispersed powder aluminum alloy and method of preparing the same
12/12/2000US6159355 Providing a nitrocarburizing salt melt containing cyanate, electrolyzing to produce cyanide
12/12/2000US6159306 Carburizing device and method of using the same
12/12/2000CA2129162C Process for improving wear and corrosion resistance in ferrous metal pieces
12/12/2000CA2129061C Process for nitriding ferrous metal pieces to enhance their resistance to corrosion
12/12/2000CA2043872C Method of nitriding steel
12/07/2000WO2000074122A1 Ozone treatment device of semiconductor process system
12/07/2000WO2000073722A1 Corrosion resistant container and gas delivery system
12/07/2000WO2000073002A1 Process extraction by plasma of junction in obtained pieces by molding powders by injection
12/06/2000CN1275637A Diamond-cobalt boron compound wear-resistant composite coating of carbide tool and preparation process thereof
12/06/2000CN1275633A Productive technology for piston ring gas nitriding
12/05/2000US6156440 Stainless steel is treated by cleaning, forming a colored oxide film on the surface of the cleaned stainless steel by heating in an oxidizing atmosphere, removing a portion of colored oxide film to expose passivating oxide film
11/2000
11/30/2000WO2000072334A1 Magnetic core insulation
11/30/2000WO2000071781A2 Bond coats for turbine components and method of applying the same
11/30/2000CA2337653A1 Magnetic core insulation
11/29/2000EP1055739A2 Method of manufacturing laminated ring and molten salt composition for use in such method
11/29/2000EP1055738A2 Method of manufacturing laminated ring and heat treatment apparatus for use in such method
11/28/2000US6153023 Compressive stresses in exterior surface
11/23/2000WO2000070661A1 Apparatus for manufacturing semiconductor device and method of manufacture thereof
11/22/2000EP0950119B1 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics
11/22/2000CN1274019A Boronized-sulfurized composite layer on surface of steel parts
11/22/2000CN1058758C Surface carburization method for forming austenite having high strength in rustless steel
11/21/2000US6149860 Carburization and quenching apparatus
11/21/2000US6149734 Carburization hardening of steels, quenching
11/21/2000US6149162 Sliding member
11/16/2000WO2000068626A1 Device for loading parts to be heat treated
11/16/2000WO2000068139A1 Composite materials for membrane reactors
11/16/2000WO2000034991A3 Method of producing a metal oxide film or a structured metal oxide film
11/16/2000CA2336880A1 Composite materials for membrane reactors
11/15/2000EP1052306A1 s METAL-BASED GRADIENT COMPOSITE MATERIAL HAVING GOOD LUBRICATION AND WEAR RESISTANCE PROPERTY, THE PRODUCTION AND THE USE OF THE SAME
11/14/2000US6146472 Method of making case-carburized steel components with improved core toughness
11/14/2000US6146135 Oxide film forming method
11/08/2000CN1272555A Titanium catalytic nitridation process
11/07/2000US6143063 Misted precursor deposition apparatus and method with improved mist and mist flow
11/02/2000WO2000065631A2 Apparatus and method for exposing a substrate to plasma radicals
11/02/2000EP1048750A1 Coated cutting tool
11/01/2000CN1058061C Salt bath composition based on alkali nitrates for oxidizing ferrous metal to improve its corrosion resistance
10/2000
10/31/2000US6139983 Containing a fluoride of at least one element selected from the group consisting of rare earth elements and alkaline earth elements.
10/31/2000US6139296 Improving wear resistance of the sliding surface of a rotary shaft or a vane, by applying a plasma sulphonitriding treatment on the surface
10/26/2000DE19938009C1 Device for heat treating metallic workpieces comprises a heat-resistant lined furnace chamber that is divided into a region of reduced cross-section leading into first treatment zone
10/25/2000CN1271394A Metal based gradient composite material having good lubrication and wear resistance property, production and use of the same
10/18/2000EP1044944A1 Silicon based substrate with yttrium silicate environmental/thermal barrier layer and method for preparing an article therefrom
10/18/2000EP1044289A2 Plasma boronizing
10/18/2000EP1044287A1 Nitriding steel, method for obtaining same and parts formed with said steel
10/17/2000US6132135 Strain relief main shaft assembly
10/17/2000US6131603 Ti alloy poppet valve and surface treatment thereof
10/12/2000WO2000060135A2 Method of producing thin, poorly soluble coatings
10/12/2000DE19916403C1 Verfahren zur Herstellung dünner, schwer löslicher Beschichtungen Process for the production of thin, poorly soluble coatings
10/12/2000CA2367342A1 Method of producing thin, poorly soluble coatings
10/11/2000EP0920541B1 Method for making parts usable in a fuel environment
10/11/2000CN1269846A Device, drill member and method for masking member at thermo chemical surface treatment
10/10/2000US6130149 Approach for aluminum bump process
10/10/2000US6129988 Carburizing, nitriding, carbiding or carbonitriding the alloy bonding layer containing chromium, aluminum, ytterium and a metal selected from chromium, cobalt, nickel, and iron
10/10/2000US6129789 Surface treatment method of hydrogen absorbing alloy
10/03/2000US6126897 Carburizing steel and steel products manufactured making use of the carburizing steel
09/2000
09/27/2000EP1038982A1 Single crystal superalloy articles with reduced grain recrystallization
09/27/2000EP1037717A1 Modification of surfaces in order to increase surface tension
09/14/2000DE19909694A1 Production of carbonitrided edge layers in a low pressure carburization process comprises enriching the edge layers with nitrogen at the end of the process using molecular nitrogen as donor gas
09/13/2000EP1035232A2 Ferrous metal article having oxide coating formed the base metal suitable for brake apparatus et al.
09/13/2000CN1266106A Pre-oxidation permeation-promoting high-temp short-time nitridizing technology
09/12/2000US6117280 Duplex coated steel composite products and method of manufacturing them
09/12/2000US6117249 Treating metallic machine parts
09/07/2000DE19937186C1 Ferrous metal part is surface oxidized, e.g. for corrosion protection of steel clutch, torsion vibration damper and/or flywheel components, by exposing the heated part to an oxygen-rich atmosphere and gas cooling
09/07/2000DE10010383A1 Maraging steel, useful for continuously variable transmissions, is produced by gas nitriding an aged maraging steel sheet in an ammonia-containing gas to restrict its carbon content
09/06/2000EP1032721A2 Wear-resistant, mechanically highly stressed and low-friction boundary coating construction for titanium or the alloys thereof and a method for producing the same
09/06/2000EP1032720A1 Method of and device for producing carbide and carbon solid solution containing surface layers
09/05/2000CA2141710C Alkaline nitrates bath salts composition used for oxidizing ferrous metal and thus improving its resistance to corrosion
08/2000
08/31/2000WO2000050661A1 Low temperature case hardening processes
08/30/2000CN1264755A High rust-proof steel and structural body using same
08/30/2000CN1264751A Surficial anticorrosion treatment of steel parts of brake or driver in low-smelting-point molten metal
08/29/2000US6110571 Having a first diffusion layer formed of steel alloy with nitrogen atoms diffused therein, and a second layer of a hard film which contains at least one of a nitride, carbide or carbonitride of a metal
08/29/2000US6110534 Method and apparatus for modifying surface material
08/24/2000WO2000049304A1 Rolling bearing
08/24/2000WO2000049190A1 High-strength, high-toughness stainless steel excellent in resistance to delayed fracture
08/23/2000EP1029343A1 ELIMINATION OF THE TITANIUM NITRIDE FILM DEPOSITION IN TUNGSTEN PLUG TECHNOLOGY USING PE-CVD-Ti AND IN-SITU PLASMA NITRIDATION
08/23/2000EP1029114A1 Product designed to be subjected to the effects of hot gas and method for producing a coating for this product
08/23/2000CN1264432A Method and device for vacuum-coating substrate
08/22/2000US6106636 Method and apparatus for controlling the atmosphere in a heat treatment furnace
08/22/2000US6105518 Durable plasma treatment apparatus and method
08/22/2000US6105374 Precooling to a deep cryogenic treatment
08/17/2000WO2000047794A1 Surface treatment method and treatment apparatus
08/16/2000EP1028168A1 Heat treatment apparatus
08/16/2000EP1027472A1 A device, a drill member and a method for masking the member at thermo chemical surface treatment
08/16/2000CN1055527C Sealed compressor
08/15/2000US6103026 Corrosion-resistant copper materials and making method
08/15/2000US6101719 At least one of an inner ring, an outer ring, and a rolling element is made from an alloy steel comprising specified amounts of carbon, chromium, and silicon and subjecting the steel to vacuum carburizing, hardening, and tempering
08/10/2000DE19904629A1 Pastenförmiges Boriermittel A paste Boriermittel
08/09/2000EP1026282A2 Paste boriding agent
08/09/2000EP1026281A2 Method of producing anti-corrosion member and anti-corrosion member
08/09/2000EP1026280A2 An aluminum-containing member and a method for producing such an aluminum-containing member
08/09/2000EP1025275A1 Method for making a composite metal product
08/09/2000CN1262341A Computer controlled ion nitrizing process and equipment with plasma source
08/05/2000CA2298046A1 Boronizing agent in paste form
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